There are 2 types of conditional statements in Java.
  • if…..else
  • Conditional operator ?:
  • switch
Below Java example illustrates how we can use conditional constructs in Java.

package conditional_statements;

/**
 * Created by Sagar on 16-04-2016.
 */
public class Conditionals {

    public static void main(String [] args){
        int a=13,b=11,c=2;

        if (a > b){
            System.out.println("a is bigger than b");
        }else {
            System.out.println("a is less than b");
        }

        int choice=2;

        switch(choice){
            case 1:
                System.out.println("Choice is " + choice);break;
            case 2:
                System.out.println("Choice is " + choice);
                System.out.println("This block of code will be executed");
                break;
            case 3:
                System.out.println("Choice is " + choice);break;
            default:
                System.out.println("Choice is default");
        }

    }
}
Here is the output of above code.

a is bigger than b
Choice is 2
This block of code will be executed

Conditional Operator ?:

Below example illustrates use of conditional operator.

package conditional_statements;

/**
 * Created by Sagar on 19-04-2016.
 */
public class Condition {
    public static void main(String args []){

        int a = 10;
        //normal if condition
        boolean result ;
        if (a%2==0){
            result = true;
        }else{
            result = false;
        }

        System.out.println("Result is -> " + result);

        //based on outcome of condition, assignment is done
        result = (a%2==0) ? true :false;

        System.out.println("Result is -> " + result);

    }
}
Here is the output of above code.

Result is -> true
Result is -> true

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