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 interface org.openjdk.jmh.util.Multiset<T>
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.openjdk.jmh.util.Multiset
  super_class: java.lang.Object
{
  public abstract void add();
    descriptor: (Ljava/lang/Object;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: (TT;)V
    MethodParameters:
         Name  Flags
      element  

  public abstract void add(T, );
    descriptor: (Ljava/lang/Object;J)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: (TT;J)V
    MethodParameters:
         Name  Flags
      element  
      count    

  public abstract long count();
    descriptor: (Ljava/lang/Object;)J
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: (TT;)J
    MethodParameters:
         Name  Flags
      element  

  public abstract java.util.Collection<java.util.Map$Entry<T, java.lang.Long>> entrySet();
    descriptor: ()Ljava/util/Collection;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: ()Ljava/util/Collection<Ljava/util/Map$Entry<TT;Ljava/lang/Long;>;>;

  public abstract boolean isEmpty();
    descriptor: ()Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract long size();
    descriptor: ()J
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract java.util.Collection<T> keys();
    descriptor: ()Ljava/util/Collection;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: ()Ljava/util/Collection<TT;>;
}
Signature: <T:Ljava/lang/Object;>Ljava/lang/Object;
SourceFile: "Multiset.java"
InnerClasses:
  public abstract Entry = java.util.Map$Entry of java.util.Map