KwickClips Java · 44 sec · free
How many times does for (i=1; i<=9; i+=2) run?
Short answer. Five times, for i = 1, 3, 5, 7 and 9.
How do you answer such questions safely?
Write every value of i and stop at the first false condition.
Remember
| Write each value of i |
| Stop at the first false |
A board favourite. How many times does this loop run? I goes up by two. One, three, five, seven, nine. Eleven fails. So it runs five times, and prints one three five seven nine. Remember. Write each value. Stop at the first false.
This clip is from the full lesson: Jump Statements and Loop Variations: break, continue and Labels — 5 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: ICSE Class 9 Computer Applications, ICSE Class 9 Computer Applications, ICSE Class 9 Computer Applications, ICSE Class 9 Computer Applications
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