java学习first_day
java枚举 public class EnumMethodDemo { e num Color {RED, GREEN, BLUE;} enum Size {BIG, MIDDLE, SMALL;} public static void main (String args[]) { System.out.println( "=========== Print all Color ==========="); //// =========== Print all Color =========== for (Color c : Color.values()) { RED ordinal: 0 GREEN ordinal: 1 BLUE ordinal: 2 System.out.println(c + " ordinal: " + c.ordinal()); } System.out.println( "=========== Print all Size ==========="); for (Size s : Size.values()) { System.out.println(s + "