While and Do While Loop in Java | Differences & Tricky Examples

Pubblicato il: 24 febbraio 2026
sul canale di: Codeganj

In this video, we explain While Loop and Do-While Loop in Java with clear logic and practical examples, specially useful for ICSE, BCA, and BTech placement students.
Many students get confused about:
When the loop condition is checked
Why do-while runs at least once
How output changes between while and do-while
This video will help you understand:
Syntax of while loop in Java
Syntax of do-while loop in Java
Difference between while and do-while
Execution flow with dry-run
Tricky output-based questions
Loop concepts are heavily used in:
Number programs
Pattern printing
Array and string problems
OA and interview coding questions
This lecture is part of the Java Series by CodeGanj — by Ritesh Raj (Snr Software Engineer).
👉 If loops are clear, most Java logic becomes easy.

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