Java Boolean Example Program
Chapter:
Data Types
Last Updated:
28-03-2017 17:30:02 UTC
Program:
/* ............... START ............... */
public class JavaBooleanExample {
public static void main(String args[]) {
boolean b;
b = false;
System.out.println("b is " + b);
b = true;
System.out.println("b is " + b);
// a boolean value can control the if statement
if (b)
System.out.println("This is executed.");
b = false;
if (b)
System.out.println("This is not executed.");
// outcome of a relational operator is a boolean value
System.out.println("10 > 9 is " + (10 > 9));
}
}
/* ............... END ............... */
Output
b is false
b is true
This is executed.
10 > 9 is true
Notes:
-
A Boolean type has two values true or false, yes or no, 1 or 0.
- eg : boolean value = true;
- The Boolean class wraps a value of the primitive type boolean in an object.
- Default value of a boolean is false.
- Boolean is the type required by the conditional expressions used in control statements such as if and for.
Tags
Java, Boolean