How to use enum
enum ProgramFlags { showErrors(0x01), includeFileOutput(0x02), useAlternateProcessor(0x04); private int bit; ProgramFlags(int bitNumber) { bit = bitNumber; } public int getBitNumber() { return(bit); } } public class EnumBitmapExample { public static void main(String args[]) { ProgramFlags flag = ProgramFlags.showErrors; System.out.println("Flag selected is: " + flag.ordinal() + " which is " + flag.name()); } }