Switch cases in java code example

Example 1: java switch

int day = 4;
switch (day) {
  case 6:
    System.out.println("Today is Saturday");
    break;
  case 7:
    System.out.println("Today is Sunday");
    break;
  default:
    System.out.println("Looking forward to the Weekend");
}
// Outputs "Looking forward to the Weekend"

Example 2: java switch case

switch(x){
	case(0):		//if x == 0
    	//do some stuff
    	break;
    //add more cases
  default:			//when x does not match any case
    //do some stuff
    break;
}

Example 3: switch expression java

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

Example 4: switch statement in java

// syntax of switch statement in java
switch(expression)
{
   case 1 value :
   // code goes here
   break;

   case 2 value :
   // code goes here
   break;

   case 3 value :
   // code goes here
   break;
   .
   .
   .
   .
   
   default: // optional
   // default code goes here
}