The boolean data type in Java
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Java has eight primitive data types to store data in its programs. The boolean Java is one of the primitive data types.
The Boolean data type:
- A Boolean variable may have two possible values: True or False.
- The default value of the Java Boolean variable is false.
- An example of using the Boolean variable is in the conditional statement like the if, switch etc.
An example of the Boolean data type
The example below declares and uses a boolean data type variable. The Boolean variable is assigned a value and used in the if statement.
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| public class variable_example { public static void main(String []args) { boolean a=true; if (a==true){ System.out.println("condition is true"); // Java Variable example } } } |
After running the above code in an editor, the output will be:
Condition is true
In the above example, you can see a boolean variable is declared and value is assigned at the time of declaration. As such, a Boolean variable may have either of two values: true or false, we assigned it true at the time of declaration.
boolean a=true;
After that, an if statement is used to check if the value of the Boolean variable is true. After that, it displayed a message on the screen by using the System.out.println statement.
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