The switch keyword in Java programming language

We will learn about the switch keyword in Java programming language

The switch is always used with case keyword.

the case is used with switch statement gives you the option to check a range of value for your variable. The switch statement invokes one statement from multiple conditions.

Syntax

Syntax of switch keyword in Java

switch(expression){//switch keyword with expression
case value1;
// some code here
break;//it is optional
case value2;
// some code here
break;//it is optional
.....................
......................
default;// this statement is executed if all cases are not matched
}

Example

Example for Switch keyword

public class switch_keyword{
public static void main (String args[]){

String Days="Friday";
switch(Days){
case "Sunday": //case statement using case keyword
System.out.println("Today Sunday");
break;

case "Monday":
System.out.println("Today Monday");
break;

case "Tuesday":
System.out.println("Today Tuesday");
break;

case "Wednesday":
System.out.println("Today Tuesday");
break;

case "Thursday":
System.out.println("Today Thursday");
break;

case "Friday":
System.out.println("Today Friday");
break;

case "Saturday":
System.out.println("Today Saturday");
break;

default :
System.out.println("This is not a day");

}
}
}

When the above code is compiled and executed, it will produce the following results

Today Friday