Java TutorialLesson 13Free preview

Java Booleans

This lesson is part of Java · All levels

Summary

The boolean type only holds two logical values, namely true or false, and is the main material of the condition in the program. Boolean values are usually derived from comparison operations such as age > 17 or from methods that return checks. With booleans, you can create programs that make decisions based on specific conditions.

Key points

The boolean can only contain true or false, no other value
Boolean values are often generated from comparison operators such as ==, >, and!=
Operator! reverses the boolean value:
The results of logical expressions && (and) and ∫ (or) are also boolean

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