Hello.java

public class Hello {
  public enum Test {
    A("A"), B("B"), C("C"), D("D");
    public static String a = "a";

    {
      System.out.println("Hi Test");
    }

    Test(String test) {
      System.out.println("Init, " + test);
    }
  }

  public static void main(String[] args) throws Exception {
    System.out.println("Hello World!");
    // System.out.println(Test.class);
    // System.out.println(Test.A);
    // System.out.println(Test.a);
    // Class.forName("Test");
  }
}