Use the built-in enumeration methods.
enum Apple { A, B, C, D, E } public class EnumDemo2 { public static void main(String args[]) { Apple ap; System.out.println("Here are all Apple constants"); // use values() Apple allapples[] = Apple.values(); for(Apple a : allapples) System.out.println(a); System.out.println(); // use valueOf() ap = Apple.valueOf("A"); System.out.println("ap contains " + ap); } }