Java enumeration types

1. public class Testenum {
   /* The most common enumeration */
   public enum ColorSelect {
   Red, green, yellow, blue;
   }
   
   
   /* Enumerations can also add methods and properties like normal classes, and you can add static and non-static properties or methods to it, all as you do in a generic class. */
   public enum Season {
   Enum list must be written first, or compile error
   Winter, Spring, summer, fall;
   
   
   Private final static String location = "Phoenix";
   
   
   public static Season Getbest () {
   if (Location.equals ("Phoenix"))
   return winter;
   Else
   Return summer;
   }
   }
   /* can also have a construction method */
   public enum Temp {
   /* Assign values by parentheses, and must have a parameter constructor and a property followed method, otherwise compilation error
   * Assignments must be either assigned or not assigned, and cannot be assigned a part of a value
   * If you do not assign a value, you cannot write the constructor, and the assignment is wrong.
   Absolutezero ( -459), freezing (+), boiling (212), Paperburns (451);
   
   private final int value;
   public int GetValue () {
   return value;
   }
   Constructors can only be private by default, ensuring that constructors are only used internally
   Temp (int value) {
   This.value = value;
   }
   }
   
   
   public static void Main (string[] args) {
   /*
   * An enumeration type is a type that defines a variable to restrict the assignment of a variable by "enumeration name. Value" To get the value in the relevant enumeration
   */
   ColorSelect m = colorselect.blue;
   Switch (m) {
   /* Note: Weightlifting wrote ToString (), saying that the value of the enumeration variable is not prefixed
   * So for blue, not colorselect.blue
   */
   Case RED:
   SYSTEM.OUT.PRINTLN ("Color is red");
   Break
   Case GREEN:
   SYSTEM.OUT.PRINTLN ("Color is green");
   Break
   Case YELLOW:
   SYSTEM.OUT.PRINTLN ("Color is yellow");
   Break
   Case Blue:
   SYSTEM.OUT.PRINTLN ("Color is blue");
   Break
   }
   SYSTEM.OUT.PRINTLN ("Traverse values in ColorSelect");
   /* Get an array of enumeration values through values () */
   For (ColorSelect c:colorselect.values ()) {
   System.out.println (c);
   }
   SYSTEM.OUT.PRINTLN ("The values in the enumeration ColorSelect are:" +colorselect.values (). length+ "a");
   /*ordinal () returns the index position of the enumeration value in the enumeration, starting at 0 */
   System.out.println (ColorSelect.red.ordinal ());//0
   System.out.println (ColorSelect.green.ordinal ());//1
   System.out.println (ColorSelect.yellow.ordinal ());//2
   System.out.println (ColorSelect.blue.ordinal ());//3
   
   
   /* Enumeration implements the Java.lang.Comparable interface by default */
   System.out.println (ColorSelect.red.compareTo (Colorselect.green));
   
   
   System.out.println (Season.getbest ());
   
   For (Temp t:temp.values ()) {
   /* Get the value of the relevant enumeration by GetValue () */
   The value of System.out.println (t+ "is" +t.getvalue ());
   }
   
   
   }
   }

Java enumeration types