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) 
class org.openjdk.jmh.util.Multisets$1 implements java.util.Comparator<java.util.Map$Entry<T, java.lang.Long>>
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.openjdk.jmh.util.Multisets$1
  super_class: java.lang.Object
{
  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.openjdk.jmh.util.Multisets$1 this
         0: .line 32
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.openjdk.jmh.util.Multisets$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/openjdk/jmh/util/Multisets$1;

  public int compare(java.util.Map$Entry<T, java.lang.Long>, java.util.Map$Entry<T, java.lang.Long>);
    descriptor: (Ljava/util/Map$Entry;Ljava/util/Map$Entry;)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.openjdk.jmh.util.Multisets$1 this
        start local 1 // java.util.Map$Entry o1
        start local 2 // java.util.Map$Entry o2
         0: .line 35
            aload 2 /* o2 */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            checkcast java.lang.Long
            aload 1 /* o1 */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            checkcast java.lang.Long
            invokevirtual java.lang.Long.compareTo:(Ljava/lang/Long;)I
            ireturn
        end local 2 // java.util.Map$Entry o2
        end local 1 // java.util.Map$Entry o1
        end local 0 // org.openjdk.jmh.util.Multisets$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/openjdk/jmh/util/Multisets$1;
            0    1     1    o1  Ljava/util/Map$Entry<TT;Ljava/lang/Long;>;
            0    1     2    o2  Ljava/util/Map$Entry<TT;Ljava/lang/Long;>;
    Signature: (Ljava/util/Map$Entry<TT;Ljava/lang/Long;>;Ljava/util/Map$Entry<TT;Ljava/lang/Long;>;)I
    MethodParameters:
      Name  Flags
      o1    
      o2    

  public int compare(java.lang.Object, java.lang.Object);
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;)I
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=3, locals=3, args_size=3
         0: .line 1
            aload 0
            aload 1
            checkcast java.util.Map$Entry
            aload 2
            checkcast java.util.Map$Entry
            invokevirtual org.openjdk.jmh.util.Multisets$1.compare:(Ljava/util/Map$Entry;Ljava/util/Map$Entry;)I
            ireturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: Ljava/lang/Object;Ljava/util/Comparator<Ljava/util/Map$Entry<TT;Ljava/lang/Long;>;>;
SourceFile: "Multisets.java"
EnclosingMethod: org.openjdk.jmh.util.Multisets.countHighest:(Lorg/openjdk/jmh/util/Multiset;I)Ljava/util/List;
NestHost: org.openjdk.jmh.util.Multisets
InnerClasses:
  public abstract Entry = java.util.Map$Entry of java.util.Map
  org.openjdk.jmh.util.Multisets$1