Java TutorialLesson 14Free preview

Java If...Else

This lesson is part of Java · All levels

Summary

This lesson teaches decision making using if, if-else, if-else if, and nested if. A condition with a value of true will run a block of code under it, while else handles an unmet condition. Branching allows programs to react differently to different data.

Key points

Use if to check one condition, else to alternate when the condition fails.
A series of tiered conditions written with if... else if... else
Parentheses () contains the condition, curly braces {} contains the code that is executed
Blocks without curly braces only apply to one following statement

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