枚举类型实现命令界面

/** from n o w j a v a . c o m - 时代Java**/

enum CommandList implements Command {

  RUN {

    public void execute() {

      System.out.println("Running...");

    }

  },

  JUMP {

    public void execute() {

      System.out.println("Jumping...");

    }

  };


  public abstract void execute();

}


interface Command {

  void execute();

}


public class Main {

  public static void main(