java/11 : java.base/java/util/Collections$SynchronizedMap.class

Collections$SynchronizedMap
https://openjdk.java.net/
GPLv2 + Classpath Exception
class java.util.Collections$SynchronizedMap<K, V> implements java.util.Map<K, V>, java.io.Serializable
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: java.util.Collections$SynchronizedMap
  super_class: java.lang.Object
{
  private static final long serialVersionUID;
    descriptor: J
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 1978198479659022715

  private final java.util.Map<K, V> m;
    descriptor: Ljava/util/Map;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/Map<TK;TV;>;

  final java.lang.Object mutex;
    descriptor: Ljava/lang/Object;
    flags: (0x0010) ACC_FINAL

  private transient java.util.Set<K> keySet;
    descriptor: Ljava/util/Set;
    flags: (0x0082) ACC_PRIVATE, ACC_TRANSIENT
    Signature: Ljava/util/Set<TK;>;

  private transient java.util.Set<java.util.Map$Entry<K, V>> entrySet;
    descriptor: Ljava/util/Set;
    flags: (0x0082) ACC_PRIVATE, ACC_TRANSIENT
    Signature: Ljava/util/Set<Ljava/util/Map$Entry<TK;TV;>;>;

  private transient java.util.Collection<V> values;
    descriptor: Ljava/util/Collection;
    flags: (0x0082) ACC_PRIVATE, ACC_TRANSIENT
    Signature: Ljava/util/Collection<TV;>;

  void <init>(java.util.Map<K, V>);
    descriptor: (Ljava/util/Map;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.util.Map m
         0: .line 2571
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 2572
            aload 0 /* this */
            aload 1 /* m */
            invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.util.Map
            putfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
         2: .line 2573
            aload 0 /* this */
            aload 0 /* this */
            putfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
         3: .line 2574
            return
        end local 1 // java.util.Map m
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    4     1     m  Ljava/util/Map<TK;TV;>;
    Signature: (Ljava/util/Map<TK;TV;>;)V
    MethodParameters:
      Name  Flags
      m     

  void <init>(java.util.Map<K, V>, );
    descriptor: (Ljava/util/Map;Ljava/lang/Object;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.util.Map m
        start local 2 // java.lang.Object mutex
         0: .line 2576
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 2577
            aload 0 /* this */
            aload 1 /* m */
            putfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
         2: .line 2578
            aload 0 /* this */
            aload 2 /* mutex */
            putfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
         3: .line 2579
            return
        end local 2 // java.lang.Object mutex
        end local 1 // java.util.Map m
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    4     0   this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    4     1      m  Ljava/util/Map<TK;TV;>;
            0    4     2  mutex  Ljava/lang/Object;
    Signature: (Ljava/util/Map<TK;TV;>;Ljava/lang/Object;)V
    MethodParameters:
       Name  Flags
      m      
      mutex  

  public int size();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // java.util.Collections$SynchronizedMap this
         0: .line 2582
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            invokeinterface java.util.Map.size:()I
            aload 1
            monitorexit
         2: ireturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 1
            monitorexit
         4: athrow
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any

  public boolean isEmpty();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // java.util.Collections$SynchronizedMap this
         0: .line 2585
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            invokeinterface java.util.Map.isEmpty:()Z
            aload 1
            monitorexit
         2: ireturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 1
            monitorexit
         4: athrow
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any

  public boolean containsKey(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.lang.Object key
         0: .line 2588
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 2
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            aload 1 /* key */
            invokeinterface java.util.Map.containsKey:(Ljava/lang/Object;)Z
            aload 2
            monitorexit
         2: ireturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 2
            monitorexit
         4: athrow
        end local 1 // java.lang.Object key
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    5     1   key  Ljava/lang/Object;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    MethodParameters:
      Name  Flags
      key   

  public boolean containsValue(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.lang.Object value
         0: .line 2591
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 2
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            aload 1 /* value */
            invokeinterface java.util.Map.containsValue:(Ljava/lang/Object;)Z
            aload 2
            monitorexit
         2: ireturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 2
            monitorexit
         4: athrow
        end local 1 // java.lang.Object value
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    5     0   this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    5     1  value  Ljava/lang/Object;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    MethodParameters:
       Name  Flags
      value  

  public V get();
    descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.lang.Object key
         0: .line 2594
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 2
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            aload 1 /* key */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            aload 2
            monitorexit
         2: areturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 2
            monitorexit
         4: athrow
        end local 1 // java.lang.Object key
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    5     1   key  Ljava/lang/Object;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    Signature: (Ljava/lang/Object;)TV;
    MethodParameters:
      Name  Flags
      key   

  public V put(K, );
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.lang.Object key
        start local 2 // java.lang.Object value
         0: .line 2598
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 3
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            aload 1 /* key */
            aload 2 /* value */
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            aload 3
            monitorexit
         2: areturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object java.lang.Object java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 3
            monitorexit
         4: athrow
        end local 2 // java.lang.Object value
        end local 1 // java.lang.Object key
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    5     0   this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    5     1    key  TK;
            0    5     2  value  TV;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    Signature: (TK;TV;)TV;
    MethodParameters:
       Name  Flags
      key    
      value  

  public V remove();
    descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.lang.Object key
         0: .line 2601
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 2
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            aload 1 /* key */
            invokeinterface java.util.Map.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            aload 2
            monitorexit
         2: areturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 2
            monitorexit
         4: athrow
        end local 1 // java.lang.Object key
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    5     1   key  Ljava/lang/Object;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    Signature: (Ljava/lang/Object;)TV;
    MethodParameters:
      Name  Flags
      key   

  public void putAll(java.util.Map<? extends K, ? extends V>);
    descriptor: (Ljava/util/Map;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.util.Map map
         0: .line 2604
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 2
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            aload 1 /* map */
            invokeinterface java.util.Map.putAll:(Ljava/util/Map;)V
            aload 2
            monitorexit
         2: goto 5
      StackMap locals: java.util.Collections$SynchronizedMap java.util.Map java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 2
            monitorexit
         4: athrow
         5: .line 2605
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.util.Map map
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    6     1   map  Ljava/util/Map<+TK;+TV;>;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    Signature: (Ljava/util/Map<+TK;+TV;>;)V
    MethodParameters:
      Name  Flags
      map   

  public void clear();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // java.util.Collections$SynchronizedMap this
         0: .line 2607
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            invokeinterface java.util.Map.clear:()V
            aload 1
            monitorexit
         2: goto 5
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 1
            monitorexit
         4: athrow
         5: .line 2608
      StackMap locals:
      StackMap stack:
            return
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any

  public java.util.Set<K> keySet();
    descriptor: ()Ljava/util/Set;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=1
        start local 0 // java.util.Collections$SynchronizedMap this
         0: .line 2615
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: .line 2616
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.keySet:Ljava/util/Set;
            ifnonnull 3
         2: .line 2617
            aload 0 /* this */
            new java.util.Collections$SynchronizedSet
            dup
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            invokeinterface java.util.Map.keySet:()Ljava/util/Set;
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            invokespecial java.util.Collections$SynchronizedSet.<init>:(Ljava/util/Set;Ljava/lang/Object;)V
            putfield java.util.Collections$SynchronizedMap.keySet:Ljava/util/Set;
         3: .line 2618
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.keySet:Ljava/util/Set;
            aload 1
            monitorexit
         4: areturn
         5: .line 2615
      StackMap locals:
      StackMap stack: java.lang.Throwable
            aload 1
            monitorexit
         6: athrow
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
      Exception table:
        from    to  target  type
           1     4       5  any
           5     6       5  any
    Signature: ()Ljava/util/Set<TK;>;

  public java.util.Set<java.util.Map$Entry<K, V>> entrySet();
    descriptor: ()Ljava/util/Set;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=1
        start local 0 // java.util.Collections$SynchronizedMap this
         0: .line 2623
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: .line 2624
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.entrySet:Ljava/util/Set;
            ifnonnull 3
         2: .line 2625
            aload 0 /* this */
            new java.util.Collections$SynchronizedSet
            dup
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            invokeinterface java.util.Map.entrySet:()Ljava/util/Set;
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            invokespecial java.util.Collections$SynchronizedSet.<init>:(Ljava/util/Set;Ljava/lang/Object;)V
            putfield java.util.Collections$SynchronizedMap.entrySet:Ljava/util/Set;
         3: .line 2626
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.entrySet:Ljava/util/Set;
            aload 1
            monitorexit
         4: areturn
         5: .line 2623
      StackMap locals:
      StackMap stack: java.lang.Throwable
            aload 1
            monitorexit
         6: athrow
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
      Exception table:
        from    to  target  type
           1     4       5  any
           5     6       5  any
    Signature: ()Ljava/util/Set<Ljava/util/Map$Entry<TK;TV;>;>;

  public java.util.Collection<V> values();
    descriptor: ()Ljava/util/Collection;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=1
        start local 0 // java.util.Collections$SynchronizedMap this
         0: .line 2631
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: .line 2632
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.values:Ljava/util/Collection;
            ifnonnull 3
         2: .line 2633
            aload 0 /* this */
            new java.util.Collections$SynchronizedCollection
            dup
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            invokeinterface java.util.Map.values:()Ljava/util/Collection;
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            invokespecial java.util.Collections$SynchronizedCollection.<init>:(Ljava/util/Collection;Ljava/lang/Object;)V
            putfield java.util.Collections$SynchronizedMap.values:Ljava/util/Collection;
         3: .line 2634
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.values:Ljava/util/Collection;
            aload 1
            monitorexit
         4: areturn
         5: .line 2631
      StackMap locals:
      StackMap stack: java.lang.Throwable
            aload 1
            monitorexit
         6: athrow
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
      Exception table:
        from    to  target  type
           1     4       5  any
           5     6       5  any
    Signature: ()Ljava/util/Collection<TV;>;

  public boolean equals(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.lang.Object o
         0: .line 2639
            aload 0 /* this */
            aload 1 /* o */
            if_acmpne 2
         1: .line 2640
            iconst_1
            ireturn
         2: .line 2641
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 2
            monitorenter
         3: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            aload 1 /* o */
            invokeinterface java.util.Map.equals:(Ljava/lang/Object;)Z
            aload 2
            monitorexit
         4: ireturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object java.lang.Object
      StackMap stack: java.lang.Throwable
         5: aload 2
            monitorexit
         6: athrow
        end local 1 // java.lang.Object o
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    7     1     o  Ljava/lang/Object;
      Exception table:
        from    to  target  type
           3     4       5  any
           5     6       5  any
    MethodParameters:
      Name  Flags
      o     

  public int hashCode();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // java.util.Collections$SynchronizedMap this
         0: .line 2644
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            invokeinterface java.util.Map.hashCode:()I
            aload 1
            monitorexit
         2: ireturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 1
            monitorexit
         4: athrow
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any

  public java.lang.String toString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // java.util.Collections$SynchronizedMap this
         0: .line 2647
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            invokevirtual java.lang.Object.toString:()Ljava/lang/String;
            aload 1
            monitorexit
         2: areturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 1
            monitorexit
         4: athrow
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any

  public V getOrDefault(, );
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.lang.Object k
        start local 2 // java.lang.Object defaultValue
         0: .line 2653
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 3
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            aload 1 /* k */
            aload 2 /* defaultValue */
            invokeinterface java.util.Map.getOrDefault:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            aload 3
            monitorexit
         2: areturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object java.lang.Object java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 3
            monitorexit
         4: athrow
        end local 2 // java.lang.Object defaultValue
        end local 1 // java.lang.Object k
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    5     0          this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    5     1             k  Ljava/lang/Object;
            0    5     2  defaultValue  TV;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    Signature: (Ljava/lang/Object;TV;)TV;
    MethodParameters:
              Name  Flags
      k             
      defaultValue  

  public void forEach(java.util.function.BiConsumer<? super K, ? super V>);
    descriptor: (Ljava/util/function/BiConsumer;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.util.function.BiConsumer action
         0: .line 2657
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 2
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            aload 1 /* action */
            invokeinterface java.util.Map.forEach:(Ljava/util/function/BiConsumer;)V
            aload 2
            monitorexit
         2: goto 5
      StackMap locals: java.util.Collections$SynchronizedMap java.util.function.BiConsumer java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 2
            monitorexit
         4: athrow
         5: .line 2658
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.util.function.BiConsumer action
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    6     0    this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    6     1  action  Ljava/util/function/BiConsumer<-TK;-TV;>;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    Signature: (Ljava/util/function/BiConsumer<-TK;-TV;>;)V
    MethodParameters:
        Name  Flags
      action  

  public void replaceAll(java.util.function.BiFunction<? super K, ? super V, ? extends V>);
    descriptor: (Ljava/util/function/BiFunction;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.util.function.BiFunction function
         0: .line 2661
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 2
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            aload 1 /* function */
            invokeinterface java.util.Map.replaceAll:(Ljava/util/function/BiFunction;)V
            aload 2
            monitorexit
         2: goto 5
      StackMap locals: java.util.Collections$SynchronizedMap java.util.function.BiFunction java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 2
            monitorexit
         4: athrow
         5: .line 2662
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.util.function.BiFunction function
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    6     0      this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    6     1  function  Ljava/util/function/BiFunction<-TK;-TV;+TV;>;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    Signature: (Ljava/util/function/BiFunction<-TK;-TV;+TV;>;)V
    MethodParameters:
          Name  Flags
      function  

  public V putIfAbsent(K, );
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.lang.Object key
        start local 2 // java.lang.Object value
         0: .line 2665
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 3
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            aload 1 /* key */
            aload 2 /* value */
            invokeinterface java.util.Map.putIfAbsent:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            aload 3
            monitorexit
         2: areturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object java.lang.Object java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 3
            monitorexit
         4: athrow
        end local 2 // java.lang.Object value
        end local 1 // java.lang.Object key
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    5     0   this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    5     1    key  TK;
            0    5     2  value  TV;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    Signature: (TK;TV;)TV;
    MethodParameters:
       Name  Flags
      key    
      value  

  public boolean remove(java.lang.Object, java.lang.Object);
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.lang.Object key
        start local 2 // java.lang.Object value
         0: .line 2669
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 3
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            aload 1 /* key */
            aload 2 /* value */
            invokeinterface java.util.Map.remove:(Ljava/lang/Object;Ljava/lang/Object;)Z
            aload 3
            monitorexit
         2: ireturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object java.lang.Object java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 3
            monitorexit
         4: athrow
        end local 2 // java.lang.Object value
        end local 1 // java.lang.Object key
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    5     0   this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    5     1    key  Ljava/lang/Object;
            0    5     2  value  Ljava/lang/Object;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    MethodParameters:
       Name  Flags
      key    
      value  

  public boolean replace(K, V, );
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=5, args_size=4
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.lang.Object key
        start local 2 // java.lang.Object oldValue
        start local 3 // java.lang.Object newValue
         0: .line 2673
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 4
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            aload 1 /* key */
            aload 2 /* oldValue */
            aload 3 /* newValue */
            invokeinterface java.util.Map.replace:(Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)Z
            aload 4
            monitorexit
         2: ireturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object java.lang.Object java.lang.Object java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 4
            monitorexit
         4: athrow
        end local 3 // java.lang.Object newValue
        end local 2 // java.lang.Object oldValue
        end local 1 // java.lang.Object key
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    5     0      this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    5     1       key  TK;
            0    5     2  oldValue  TV;
            0    5     3  newValue  TV;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    Signature: (TK;TV;TV;)Z
    MethodParameters:
          Name  Flags
      key       
      oldValue  
      newValue  

  public V replace(K, );
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.lang.Object key
        start local 2 // java.lang.Object value
         0: .line 2677
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 3
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            aload 1 /* key */
            aload 2 /* value */
            invokeinterface java.util.Map.replace:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            aload 3
            monitorexit
         2: areturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object java.lang.Object java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 3
            monitorexit
         4: athrow
        end local 2 // java.lang.Object value
        end local 1 // java.lang.Object key
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    5     0   this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    5     1    key  TK;
            0    5     2  value  TV;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    Signature: (TK;TV;)TV;
    MethodParameters:
       Name  Flags
      key    
      value  

  public V computeIfAbsent(K, java.util.function.Function<? super K, ? extends V>);
    descriptor: (Ljava/lang/Object;Ljava/util/function/Function;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.lang.Object key
        start local 2 // java.util.function.Function mappingFunction
         0: .line 2682
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 3
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            aload 1 /* key */
            aload 2 /* mappingFunction */
            invokeinterface java.util.Map.computeIfAbsent:(Ljava/lang/Object;Ljava/util/function/Function;)Ljava/lang/Object;
            aload 3
            monitorexit
         2: areturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object java.util.function.Function java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 3
            monitorexit
         4: athrow
        end local 2 // java.util.function.Function mappingFunction
        end local 1 // java.lang.Object key
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0    5     0             this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    5     1              key  TK;
            0    5     2  mappingFunction  Ljava/util/function/Function<-TK;+TV;>;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    Signature: (TK;Ljava/util/function/Function<-TK;+TV;>;)TV;
    MethodParameters:
                 Name  Flags
      key              
      mappingFunction  

  public V computeIfPresent(K, java.util.function.BiFunction<? super K, ? super V, ? extends V>);
    descriptor: (Ljava/lang/Object;Ljava/util/function/BiFunction;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.lang.Object key
        start local 2 // java.util.function.BiFunction remappingFunction
         0: .line 2687
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 3
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            aload 1 /* key */
            aload 2 /* remappingFunction */
            invokeinterface java.util.Map.computeIfPresent:(Ljava/lang/Object;Ljava/util/function/BiFunction;)Ljava/lang/Object;
            aload 3
            monitorexit
         2: areturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object java.util.function.BiFunction java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 3
            monitorexit
         4: athrow
        end local 2 // java.util.function.BiFunction remappingFunction
        end local 1 // java.lang.Object key
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot               Name  Signature
            0    5     0               this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    5     1                key  TK;
            0    5     2  remappingFunction  Ljava/util/function/BiFunction<-TK;-TV;+TV;>;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    Signature: (TK;Ljava/util/function/BiFunction<-TK;-TV;+TV;>;)TV;
    MethodParameters:
                   Name  Flags
      key                
      remappingFunction  

  public V compute(K, java.util.function.BiFunction<? super K, ? super V, ? extends V>);
    descriptor: (Ljava/lang/Object;Ljava/util/function/BiFunction;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.lang.Object key
        start local 2 // java.util.function.BiFunction remappingFunction
         0: .line 2692
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 3
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            aload 1 /* key */
            aload 2 /* remappingFunction */
            invokeinterface java.util.Map.compute:(Ljava/lang/Object;Ljava/util/function/BiFunction;)Ljava/lang/Object;
            aload 3
            monitorexit
         2: areturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object java.util.function.BiFunction java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 3
            monitorexit
         4: athrow
        end local 2 // java.util.function.BiFunction remappingFunction
        end local 1 // java.lang.Object key
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot               Name  Signature
            0    5     0               this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    5     1                key  TK;
            0    5     2  remappingFunction  Ljava/util/function/BiFunction<-TK;-TV;+TV;>;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    Signature: (TK;Ljava/util/function/BiFunction<-TK;-TV;+TV;>;)TV;
    MethodParameters:
                   Name  Flags
      key                
      remappingFunction  

  public V merge(K, V, java.util.function.BiFunction<? super V, ? super V, ? extends V>);
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;Ljava/util/function/BiFunction;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=5, args_size=4
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.lang.Object key
        start local 2 // java.lang.Object value
        start local 3 // java.util.function.BiFunction remappingFunction
         0: .line 2697
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 4
            monitorenter
         1: aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
            aload 1 /* key */
            aload 2 /* value */
            aload 3 /* remappingFunction */
            invokeinterface java.util.Map.merge:(Ljava/lang/Object;Ljava/lang/Object;Ljava/util/function/BiFunction;)Ljava/lang/Object;
            aload 4
            monitorexit
         2: areturn
      StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object java.lang.Object java.util.function.BiFunction java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 4
            monitorexit
         4: athrow
        end local 3 // java.util.function.BiFunction remappingFunction
        end local 2 // java.lang.Object value
        end local 1 // java.lang.Object key
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot               Name  Signature
            0    5     0               this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    5     1                key  TK;
            0    5     2              value  TV;
            0    5     3  remappingFunction  Ljava/util/function/BiFunction<-TV;-TV;+TV;>;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    Signature: (TK;TV;Ljava/util/function/BiFunction<-TV;-TV;+TV;>;)TV;
    MethodParameters:
                   Name  Flags
      key                
      value              
      remappingFunction  

  private void writeObject(java.io.ObjectOutputStream);
    descriptor: (Ljava/io/ObjectOutputStream;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // java.util.Collections$SynchronizedMap this
        start local 1 // java.io.ObjectOutputStream s
         0: .line 2701
            aload 0 /* this */
            getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
            dup
            astore 2
            monitorenter
         1: aload 1 /* s */
            invokevirtual java.io.ObjectOutputStream.defaultWriteObject:()V
            aload 2
            monitorexit
         2: goto 5
      StackMap locals: java.util.Collections$SynchronizedMap java.io.ObjectOutputStream java.lang.Object
      StackMap stack: java.lang.Throwable
         3: aload 2
            monitorexit
         4: athrow
         5: .line 2702
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.io.ObjectOutputStream s
        end local 0 // java.util.Collections$SynchronizedMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Ljava/util/Collections$SynchronizedMap<TK;TV;>;
            0    6     1     s  Ljava/io/ObjectOutputStream;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      s     
}
Signature: <K:Ljava/lang/Object;V:Ljava/lang/Object;>Ljava/lang/Object;Ljava/util/Map<TK;TV;>;Ljava/io/Serializable;
SourceFile: "Collections.java"
NestHost: java.util.Collections
InnerClasses:
  SynchronizedCollection = java.util.Collections$SynchronizedCollection of java.util.Collections
  private SynchronizedMap = java.util.Collections$SynchronizedMap of java.util.Collections
  SynchronizedSet = java.util.Collections$SynchronizedSet of java.util.Collections
  public abstract Entry = java.util.Map$Entry of java.util.Map
/

java/ 11/ java.base/java/util/Collections$SynchronizedMap.class
