public abstract class java.util.AbstractSet<E> extends java.util.AbstractCollection<E> implements java.util.Set<E>
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: java.util.AbstractSet
  super_class: java.util.AbstractCollection
{
  protected void <init>();
    descriptor: ()V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.util.AbstractSet this
         0: .line 63
            aload 0 /* this */
            invokespecial java.util.AbstractCollection.<init>:()V
         1: .line 64
            return
        end local 0 // java.util.AbstractSet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Ljava/util/AbstractSet<TE;>;

  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.AbstractSet this
        start local 1 // java.lang.Object o
         0: .line 86
            aload 1 /* o */
            aload 0 /* this */
            if_acmpne 2
         1: .line 87
            iconst_1
            ireturn
         2: .line 89
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            instanceof java.util.Set
            ifne 4
         3: .line 90
            iconst_0
            ireturn
         4: .line 91
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            checkcast java.util.Collection
            astore 2 /* c */
        start local 2 // java.util.Collection c
         5: .line 92
            aload 2 /* c */
            invokeinterface java.util.Collection.size:()I
            aload 0 /* this */
            invokevirtual java.util.AbstractSet.size:()I
            if_icmpeq 7
         6: .line 93
            iconst_0
            ireturn
         7: .line 95
      StackMap locals: java.util.Collection
      StackMap stack:
            aload 0 /* this */
            aload 2 /* c */
            invokevirtual java.util.AbstractSet.containsAll:(Ljava/util/Collection;)Z
         8: ireturn
         9: .line 96
      StackMap locals:
      StackMap stack: java.lang.RuntimeException
            pop
        10: .line 97
            iconst_0
            ireturn
        end local 2 // java.util.Collection c
        end local 1 // java.lang.Object o
        end local 0 // java.util.AbstractSet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   11     0  this  Ljava/util/AbstractSet<TE;>;
            0   11     1     o  Ljava/lang/Object;
            5   11     2     c  Ljava/util/Collection<*>;
      Exception table:
        from    to  target  type
           7     8       9  Class java.lang.ClassCastException
           7     8       9  Class java.lang.NullPointerException
    MethodParameters:
      Name  Flags
      o     

  public int hashCode();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=4, args_size=1
        start local 0 // java.util.AbstractSet this
         0: .line 119
            iconst_0
            istore 1 /* h */
        start local 1 // int h
         1: .line 120
            aload 0 /* this */
            invokevirtual java.util.AbstractSet.iterator:()Ljava/util/Iterator;
            astore 2 /* i */
        start local 2 // java.util.Iterator i
         2: .line 121
            goto 6
         3: .line 122
      StackMap locals: int java.util.Iterator
      StackMap stack:
            aload 2 /* i */
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            astore 3 /* obj */
        start local 3 // java.lang.Object obj
         4: .line 123
            aload 3 /* obj */
            ifnull 6
         5: .line 124
            iload 1 /* h */
            aload 3 /* obj */
            invokevirtual java.lang.Object.hashCode:()I
            iadd
            istore 1 /* h */
        end local 3 // java.lang.Object obj
         6: .line 121
      StackMap locals:
      StackMap stack:
            aload 2 /* i */
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 3
         7: .line 126
            iload 1 /* h */
            ireturn
        end local 2 // java.util.Iterator i
        end local 1 // int h
        end local 0 // java.util.AbstractSet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    8     0  this  Ljava/util/AbstractSet<TE;>;
            1    8     1     h  I
            2    8     2     i  Ljava/util/Iterator<TE;>;
            4    6     3   obj  TE;

  public boolean removeAll(java.util.Collection<?>);
    descriptor: (Ljava/util/Collection;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=5, args_size=2
        start local 0 // java.util.AbstractSet this
        start local 1 // java.util.Collection c
         0: .line 167
            aload 1 /* c */
            invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
         1: .line 168
            iconst_0
            istore 2 /* modified */
        start local 2 // boolean modified
         2: .line 170
            aload 0 /* this */
            invokevirtual java.util.AbstractSet.size:()I
            aload 1 /* c */
            invokeinterface java.util.Collection.size:()I
            if_icmple 8
         3: .line 171
            aload 1 /* c */
            invokeinterface java.util.Collection.iterator:()Ljava/util/Iterator;
            astore 4
            goto 6
      StackMap locals: java.util.AbstractSet java.util.Collection int top java.util.Iterator
      StackMap stack:
         4: aload 4
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            astore 3 /* e */
        start local 3 // java.lang.Object e
         5: .line 172
            iload 2 /* modified */
            aload 0 /* this */
            aload 3 /* e */
            invokevirtual java.util.AbstractSet.remove:(Ljava/lang/Object;)Z
            ior
            istore 2 /* modified */
        end local 3 // java.lang.Object e
         6: .line 171
      StackMap locals:
      StackMap stack:
            aload 4
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 4
         7: .line 173
            goto 14
         8: .line 174
      StackMap locals: java.util.AbstractSet java.util.Collection int
      StackMap stack:
            aload 0 /* this */
            invokevirtual java.util.AbstractSet.iterator:()Ljava/util/Iterator;
            astore 3 /* i */
        start local 3 // java.util.Iterator i
         9: goto 13
        10: .line 175
      StackMap locals: java.util.Iterator
      StackMap stack:
            aload 1 /* c */
            aload 3 /* i */
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            invokeinterface java.util.Collection.contains:(Ljava/lang/Object;)Z
            ifeq 13
        11: .line 176
            aload 3 /* i */
            invokeinterface java.util.Iterator.remove:()V
        12: .line 177
            iconst_1
            istore 2 /* modified */
        13: .line 174
      StackMap locals:
      StackMap stack:
            aload 3 /* i */
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 10
        end local 3 // java.util.Iterator i
        14: .line 181
      StackMap locals:
      StackMap stack:
            iload 2 /* modified */
            ireturn
        end local 2 // boolean modified
        end local 1 // java.util.Collection c
        end local 0 // java.util.AbstractSet this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   15     0      this  Ljava/util/AbstractSet<TE;>;
            0   15     1         c  Ljava/util/Collection<*>;
            2   15     2  modified  Z
            5    6     3         e  Ljava/lang/Object;
            9   14     3         i  Ljava/util/Iterator<*>;
    Signature: (Ljava/util/Collection<*>;)Z
    MethodParameters:
      Name  Flags
      c     
}
Signature: <E:Ljava/lang/Object;>Ljava/util/AbstractCollection<TE;>;Ljava/util/Set<TE;>;
SourceFile: "AbstractSet.java"