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About Ilias Tsagklis

Ilias is a software developer turned online entrepreneur. He is co-founder and Executive Editor at Java Code Geeks.

boolean

With this example we are going to demonstrate how to use a boolean type in Java. The boolean data type has only two possible values: true and false. Use this data type for simple flags that track true/false conditions. This data type represents one bit of information, but its “size” isn’t something that’s precisely defined.

    In short, to create variable of boolean type you should use the boolean keyword in a variable.

Let’s take a look at the code snippet that follows:  
 
 

package com.javacodegeeks.snippets.basics;

public class BooleanExample {
	
	public static void main(String[] args) {
		
		boolean b1 = true;
		boolean b2 = false;
		boolean b3 = (2 > 1);
		 
		System.out.println("Value of boolean b1: " + b1);
		System.out.println("Value of boolean b2: " + b2);
		System.out.println("Value of boolean b3: " + b3); 
		
	}

}

Output:

Value of boolean b1: true
Value of boolean b2: false
Value of boolean b3: true

  
This was an example of how to use a boolean type in Java.

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