Switch Usage in Java

 1// syntax
 2switch(expression) {
 3  case x:
 4    // code block
 5    break;
 6  case y:
 7    // code block
 8    break;
 9  default:
10    // code block
11}

 1int day = 7;
 2switch (day) {
 3  case 1:
 4    System.out.println("Monday");
 5    break;
 6  case 2:
 7    System.out.println("Tuesday");
 8    break;
 9  case 3:
10    System.out.println("Wednesday");
11    break;
12  case 4:
13    System.out.println("Thursday");
14    break;
15  case 5:
16    System.out.println("Friday");
17    break;
18  case 6:
19    System.out.println("Saturday");
20    break;
21  case 7:
22    System.out.println("Sunday");
23    break;
24  default:
25    System.out.println("Wrong pointer for days. Must be 1 to 7");
26}