Obtaining all ordinal values using ordinal() : enum methods « Data Type « Java Tutorial

enum Week {
  Monday, Tuesday, Wednesday, Thursday, Friday, Saturaday, Sunday

public class MainClass {
  public static void main(String args[]) {

    // Obtain all ordinal values using ordinal().
    System.out.println("Here are all week constants" + " and their ordinal values: ");
    for (Week day : Week.values())
      System.out.println(day + " " + day.ordinal());

Here are all week constants and their ordinal values: 
Monday 0
Tuesday 1
Wednesday 2
Thursday 3
Friday 4
Saturaday 5
Sunday 6

2.44.enum methods
2.44.1.Obtaining all ordinal values using ordinal()
2.44.2.compareTo() and equals() for enum data type
2.44.3.Using the built-in enumeration methods: values( )
2.44.4.Using valueOf()
2.44.5.Switch statement with enum
2.44.6.Adding Members to an Enumeration Class
2.44.7.Use the built-in enumeration methods.
2.44.8.Use an enum constructor, instance variable, and method.
2.44.9.Demonstrate ordinal(), compareTo(), and equals().