JAVA

/**

* This class contains an example of an enumerated type.

* The task is to:

* 1. Run the code and understand what it does. Then,

* Uncomment the commented code section and understand and briefly explain

* what the alternate definition of the enum does.

*/

public class EnumDemo {

public enum Day {MON, TUE, WED, THU, FRI, SAT, SUN};

/*

//This is an enhanced enum for Day.

public enum Day {

MON("1"), TUE("2"), WED("3"), THU("4"), FRI("5"), SAT("6"), SUN("7");

private String display;

private Day(String display){

this.display = display;

}

public String toString(){

return display;

}

}*/

public static void main(String[] args) {

Day d = Day.MON;

System.out.println("We always start from day: " + d); // enum is printed as "1" or "MON" depending on enum

switchDemo(d);

d = Day.WED;

System.out.println("Then it is day: " + d);

switchDemo(d);

System.out.println(" No!, it goes like this... ");

for (Day a : Day.values()) {

System.out.println("Day " + a);

switchDemo(a);

}

}

public static void switchDemo(Day d) {

switch (d) {

case MON:

System.out.println("This is tough.");

break;

case TUE:

System.out.println("This is getting better.");

break;

case WED:

System.out.println("Half way there.");

break;

case THU:

System.out.println("I can see the light.");

break;

case FRI:

System.out.println("Now we are talking.");

break;

default:

System.out.println("Day off!");

}

}

}