switch statement in java

1int day = 4;
2switch (day) {
3  case 6:
4    System.out.println("Today is Saturday");
5    break;
6  case 7:
7    System.out.println("Today is Sunday");
8    break;
9  default:
10    System.out.println("Looking forward to the Weekend");
11}
12// Outputs "Looking forward to the Weekend"

1// switch case in java example programs
2public class SwitchStatementExample
3{
4   public static void main(String[] args)
5   {
6      char grade = 'A';
7      switch(grade) {
8          case 'A' :
9              System.out.println("Distinction.");
10              break;
11          case 'B' :
12          case 'C' :
13              System.out.println("First class.");
14              break;
15          case 'D' :
16              System.out.println("You have passed.");
17          case 'F' :
18              System.out.println("Fail. Try again.");
19              break;
20          default :
21              System.out.println("Invalid grade");
22      }
23      System.out.println("Grade is: " + grade);
24   }
25}

1switch(x){
2	case(0):		//if x == 0
3    	//do some stuff
4    	break;
5    //add more cases
6  default:			//when x does not match any case
7    //do some stuff
8    break;
9}

1//the cooler looking edition (with input example)
2Scanner scn = new Scanner(System.in);
3int asd = scn.nextInt();
4
5switch(asd)
6{
7  case 1 -> System.out.println("case 1");
8  case 2 -> System.out.println("case 2");
9  case 5 -> System.out.println("case 5");
10  //case n...
11  default -> case 1 -> System.out.println("check out tunalad.bandcamp.com");
12}
13
14/* Output:
15asd = 1: "case 1"
16asd = 2: "case 2"
17asd = 5: "case 5"
18asd = 33213: "check out tunalad.bandcamp.com"
19*/

1System.out.println(
2        switch (day) {
3            case MONDAY, FRIDAY, SUNDAY -> 6;
4            case TUESDAY                -> 7;
5            case THURSDAY, SATURDAY     -> 8;
6            case WEDNESDAY              -> 9;
7            default -> throw new IllegalStateException("Invalid day: " + day);
8        }
9    );

1// syntax of switch statement in java
2switch(expression)
3{
4   case 1 value :
5   // code goes here
6   break;
7
8   case 2 value :
9   // code goes here
10   break;
11
12   case 3 value :
13   // code goes here
14   break;
15   .
16   .
17   .
18   .
19   
20   default: // optional
21   // default code goes here
22}