/** Switch.java - illustrate use of switch statement.
 *  The program will accept one integer from the command line.
 *  Based on its value, we print a message.
 */
public class Switch
{
  public static void main(String [] args)
  {
    int n = Integer.parseInt(args[0]);

    String message = "";
    switch (n)
    {
      case 1:  message = "You entered ONE";
               break;
      case 2:  message = "You entered TWO";
               break;
      case 3:
      case 4:  message = "You entered THREE or FOUR";
               break;

      // I am going to intentionally omit the break for case 5
      // to see what happens.

      case 5:  message = "You entererd FIVE";
      case 6:  message = "Maybe you entered SIX";
               break;
      default:  message = "You entered something other than 1-6";
    }

    System.out.println(message);
  }
}

/* Output

java Switch 1
You entered ONE

java Switch 2
You entered TWO

java Switch 3
You entered THREE or FOUR

java Switch 4
You entered THREE or FOUR

java Switch 5
Maybe you entered SIX

java Switch 6
Maybe you entered SIX

java Switch 7
You entered something other than 1-6
*/