Thursday, July 29, 2010

Exit code idiom in Java

I have been looking into employing C 'enum' like exit codes in Java. For example, if the application you are writing will be called by a script so it is handy for the script to know when there is an exit that is OK, and when it is a FAIL.

I looked to the web for inspiration, and couldn't find anything Java specific, so, I have arrived at the following:

class MyClass {
  private static enum EXIT {
        EXIT (int code) {
            this.code = code;
        private int code;
        public int getCode() {
            return code;

   public static void main (String[] args) {
        if (args.length() < 1) {


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