KwickClips Java · 37 sec · free
Why did the loop stop at 4?
Short answer. Because i < 5 is false when i is 5.
What is the quickest way to trace a loop?
Print the variables inside it and watch them change.
Remember
| Print values to trace |
| Fix one thing, test again |
One to five should add up to fifteen. Let us debug. Print i in the loop. It stops at four. Change less than to less than or equal. Print values to trace. Fix one thing, then test again.
This clip is from the full lesson: Errors in Java Programs: Syntax, Run-time and Logical — 7 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: ICSE Class 9 Computer Applications
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