Question

How to use expression to calculate a boolean value in Java

Answer 1

package javaapplication1;

public class JavaApplication1 {

    public static void main(String[] args) {

        try {

            int age = 25;
            String name = "r2d2";

            boolean b = age >= 25 && name == "r2d2";
  
            if (b) {
                System.out.println("true");
            }

        } catch (Exception e) {
            System.out.print(e.toString());
        }
    }
}

/*
             
run:

true
    
 */

 

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Answer 2

package javaapplication1;

public class JavaApplication1 {

    public static void main(String[] args) {

        try {

            int age = 25;
            String name = "r2d2";

            boolean b = age >= 25 && "r2d2".equals(name);
  
            if (b) {
                System.out.println("true");
            }

        } catch (Exception e) {
            System.out.print(e.toString());
        }
    }
}

/*
             
run:

true
    
 */

 

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