ref keyword boolean

❮ Java Keywords

Example

A boolean data type with true or false values:

boolean isJavaFun = true;

boolean isFishTasty = false;

System.out.println(isJavaFun);     // Outputs true

System.out.println(isFishTasty);   // Outputs false

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Definition and Usage

The boolean keyword is a data type that can only take the values true or false.

Boolean values are mostly used for conditional testing (read the Java Booleans Tutorial for more information).

Related Pages

Read more about data types in our Java Data Types Tutorial.

Read more about booleans in our Java Booleans Tutorial.

❮ Java Keywords