OnJava8-Examples/enums/NotClasses.java

// enums/NotClasses.java
// (c)2017 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
// {javap -c LikeClasses}

enum LikeClasses {
  WINKEN {
    @Override
    void behavior() { System.out.println("Behavior1"); }
  },
  BLINKEN {
    @Override
    void behavior() { System.out.println("Behavior2"); }
  },
  NOD {
    @Override
    void behavior() { System.out.println("Behavior3"); }
  };
  abstract void behavior();
}

public class NotClasses {
  // void f1(LikeClasses.WINKEN instance) {} // Nope
}
/* Output: (First 12 Lines)
Compiled from "NotClasses.java"
abstract class LikeClasses extends
java.lang.Enum<LikeClasses> {
  public static final LikeClasses WINKEN;
  public static final LikeClasses BLINKEN;
  public static final LikeClasses NOD;
  public static LikeClasses[] values();
    Code:
       0: getstatic     #2                  // Field
$VALUES:[LLikeClasses;
       3: invokevirtual #3                  // Method
"[LLikeClasses;".clone:()Ljava/lang/Object;
                  ...
*/