http://openjdk.java.net/projects/code-tools/jmh/jmh-core/: The jmh is a Java harness for building, running, and analysing nano/micro/macro benchmarks written in Java and other languages targeting the JVM. (Oracle)
  • Aleksey Shipilev (Oracle/Sun, Red Hat)
  • Sergey Kuksenko (Oracle/Sun)
  • Anders Astrand (Oracle/BEA)
  • Staffan Friberg (Oracle/BEA)
  • Henrik Loef (Oracle/BEA) 
public class org.openjdk.jmh.util.BoundedPriorityQueue<E> extends java.util.AbstractQueue<E> implements java.io.Serializable
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.openjdk.jmh.util.BoundedPriorityQueue
  super_class: java.util.AbstractQueue
{
  private static final long serialVersionUID;
    descriptor: J
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 7159618773497127413

  private final int maxSize;
    descriptor: I
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.util.Comparator<? super E> comparator;
    descriptor: Ljava/util/Comparator;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/Comparator<-TE;>;

  private final java.util.Queue<E> queue;
    descriptor: Ljava/util/Queue;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/Queue<TE;>;

  public void <init>(int);
    descriptor: (I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.openjdk.jmh.util.BoundedPriorityQueue this
        start local 1 // int maxSize
         0: .line 52
            aload 0 /* this */
            iload 1 /* maxSize */
            aconst_null
            invokespecial org.openjdk.jmh.util.BoundedPriorityQueue.<init>:(ILjava/util/Comparator;)V
         1: .line 53
            return
        end local 1 // int maxSize
        end local 0 // org.openjdk.jmh.util.BoundedPriorityQueue this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    2     0     this  Lorg/openjdk/jmh/util/BoundedPriorityQueue<TE;>;
            0    2     1  maxSize  I
    MethodParameters:
         Name  Flags
      maxSize  

  public void <init>(int, java.util.Comparator<? super E>);
    descriptor: (ILjava/util/Comparator;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=3, args_size=3
        start local 0 // org.openjdk.jmh.util.BoundedPriorityQueue this
        start local 1 // int maxSize
        start local 2 // java.util.Comparator comparator
         0: .line 62
            aload 0 /* this */
            invokespecial java.util.AbstractQueue.<init>:()V
         1: .line 63
            aload 0 /* this */
            iload 1 /* maxSize */
            putfield org.openjdk.jmh.util.BoundedPriorityQueue.maxSize:I
         2: .line 64
            aload 0 /* this */
            aload 2 /* comparator */
            invokestatic org.openjdk.jmh.util.BoundedPriorityQueue.reverse:(Ljava/util/Comparator;)Ljava/util/Comparator;
            putfield org.openjdk.jmh.util.BoundedPriorityQueue.comparator:Ljava/util/Comparator;
         3: .line 65
            aload 0 /* this */
            new java.util.PriorityQueue
            dup
            bipush 10
            aload 0 /* this */
            getfield org.openjdk.jmh.util.BoundedPriorityQueue.comparator:Ljava/util/Comparator;
            invokespecial java.util.PriorityQueue.<init>:(ILjava/util/Comparator;)V
            putfield org.openjdk.jmh.util.BoundedPriorityQueue.queue:Ljava/util/Queue;
         4: .line 66
            return
        end local 2 // java.util.Comparator comparator
        end local 1 // int maxSize
        end local 0 // org.openjdk.jmh.util.BoundedPriorityQueue this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    5     0        this  Lorg/openjdk/jmh/util/BoundedPriorityQueue<TE;>;
            0    5     1     maxSize  I
            0    5     2  comparator  Ljava/util/Comparator<-TE;>;
    Signature: (ILjava/util/Comparator<-TE;>;)V
    MethodParameters:
            Name  Flags
      maxSize     
      comparator  

  private static <E> java.util.Comparator<? super E> reverse(java.util.Comparator<? super E>);
    descriptor: (Ljava/util/Comparator;)Ljava/util/Comparator;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.util.Comparator comparator
         0: .line 78
            aload 0 /* comparator */
            ifnonnull 2
         1: .line 79
            invokestatic java.util.Collections.reverseOrder:()Ljava/util/Comparator;
            areturn
         2: .line 81
      StackMap locals:
      StackMap stack:
            aload 0 /* comparator */
            invokestatic java.util.Collections.reverseOrder:(Ljava/util/Comparator;)Ljava/util/Comparator;
            areturn
        end local 0 // java.util.Comparator comparator
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    3     0  comparator  Ljava/util/Comparator<-TE;>;
    Signature: <E:Ljava/lang/Object;>(Ljava/util/Comparator<-TE;>;)Ljava/util/Comparator<-TE;>;
    MethodParameters:
            Name  Flags
      comparator  

  public boolean add();
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.openjdk.jmh.util.BoundedPriorityQueue this
        start local 1 // java.lang.Object e
         0: .line 86
            aload 0 /* this */
            aload 1 /* e */
            invokevirtual org.openjdk.jmh.util.BoundedPriorityQueue.offer:(Ljava/lang/Object;)Z
            ireturn
        end local 1 // java.lang.Object e
        end local 0 // org.openjdk.jmh.util.BoundedPriorityQueue this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/openjdk/jmh/util/BoundedPriorityQueue<TE;>;
            0    1     1     e  TE;
    Signature: (TE;)Z
    MethodParameters:
      Name  Flags
      e     

  public boolean offer();
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // org.openjdk.jmh.util.BoundedPriorityQueue this
        start local 1 // java.lang.Object e
         0: .line 91
            aload 0 /* this */
            getfield org.openjdk.jmh.util.BoundedPriorityQueue.queue:Ljava/util/Queue;
            invokeinterface java.util.Queue.size:()I
            aload 0 /* this */
            getfield org.openjdk.jmh.util.BoundedPriorityQueue.maxSize:I
            if_icmplt 5
         1: .line 92
            aload 0 /* this */
            invokevirtual org.openjdk.jmh.util.BoundedPriorityQueue.peek:()Ljava/lang/Object;
            astore 2 /* head */
        start local 2 // java.lang.Object head
         2: .line 93
            aload 0 /* this */
            getfield org.openjdk.jmh.util.BoundedPriorityQueue.comparator:Ljava/util/Comparator;
            aload 1 /* e */
            aload 2 /* head */
            invokeinterface java.util.Comparator.compare:(Ljava/lang/Object;Ljava/lang/Object;)I
            iconst_1
            if_icmpge 4
         3: .line 94
            iconst_0
            ireturn
         4: .line 96
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 0 /* this */
            invokevirtual org.openjdk.jmh.util.BoundedPriorityQueue.poll:()Ljava/lang/Object;
            pop
        end local 2 // java.lang.Object head
         5: .line 98
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.openjdk.jmh.util.BoundedPriorityQueue.queue:Ljava/util/Queue;
            aload 1 /* e */
            invokeinterface java.util.Queue.offer:(Ljava/lang/Object;)Z
            ireturn
        end local 1 // java.lang.Object e
        end local 0 // org.openjdk.jmh.util.BoundedPriorityQueue this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lorg/openjdk/jmh/util/BoundedPriorityQueue<TE;>;
            0    6     1     e  TE;
            2    5     2  head  TE;
    Signature: (TE;)Z
    MethodParameters:
      Name  Flags
      e     

  public E poll();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.openjdk.jmh.util.BoundedPriorityQueue this
         0: .line 103
            aload 0 /* this */
            getfield org.openjdk.jmh.util.BoundedPriorityQueue.queue:Ljava/util/Queue;
            invokeinterface java.util.Queue.poll:()Ljava/lang/Object;
            areturn
        end local 0 // org.openjdk.jmh.util.BoundedPriorityQueue this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/openjdk/jmh/util/BoundedPriorityQueue<TE;>;
    Signature: ()TE;

  public E peek();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.openjdk.jmh.util.BoundedPriorityQueue this
         0: .line 108
            aload 0 /* this */
            getfield org.openjdk.jmh.util.BoundedPriorityQueue.queue:Ljava/util/Queue;
            invokeinterface java.util.Queue.peek:()Ljava/lang/Object;
            areturn
        end local 0 // org.openjdk.jmh.util.BoundedPriorityQueue this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/openjdk/jmh/util/BoundedPriorityQueue<TE;>;
    Signature: ()TE;

  public java.util.Iterator<E> iterator();
    descriptor: ()Ljava/util/Iterator;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.openjdk.jmh.util.BoundedPriorityQueue this
         0: .line 113
            aload 0 /* this */
            getfield org.openjdk.jmh.util.BoundedPriorityQueue.queue:Ljava/util/Queue;
            invokeinterface java.util.Queue.iterator:()Ljava/util/Iterator;
            areturn
        end local 0 // org.openjdk.jmh.util.BoundedPriorityQueue this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/openjdk/jmh/util/BoundedPriorityQueue<TE;>;
    Signature: ()Ljava/util/Iterator<TE;>;

  public int size();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.openjdk.jmh.util.BoundedPriorityQueue this
         0: .line 118
            aload 0 /* this */
            getfield org.openjdk.jmh.util.BoundedPriorityQueue.queue:Ljava/util/Queue;
            invokeinterface java.util.Queue.size:()I
            ireturn
        end local 0 // org.openjdk.jmh.util.BoundedPriorityQueue this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/openjdk/jmh/util/BoundedPriorityQueue<TE;>;
}
Signature: <E:Ljava/lang/Object;>Ljava/util/AbstractQueue<TE;>;Ljava/io/Serializable;
SourceFile: "BoundedPriorityQueue.java"