Java Booleans

Java Booleans

A boolean in Java is a data type that can store only two values:

  • true

  • false

Booleans are commonly used in conditions, decision making, and logical expressions.


 Declaring Boolean Variables


 


 Boolean Expressions (Comparison)

They are often returned from expressions involving comparison operators:


 


 Boolean with Logical Operators

OperatorMeaningExample
&&ANDtrue only if both conditions are true
``
!NOTreverses boolean value

Example:


 


Boolean in If-Else

Booleans are mostly used for decision making:


 


🚀 Boolean Method Example

Some methods also return boolean:


 


⭐ Full Example


 


📌 Summary

FeatureDescription
Valuestrue, false
TypePrimitive
Common UsesComparisons, loops, if-else
OperationsLogical (&&, `

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