是否“创造性地”不赞成使用 for 循环？ [等候接听]

Question

Given following task:

Add 6 to a number that's starting at 7 until it's bigger than 30 and print out how often you've added the number 6 to it at the end.

I came up with following solution:

int num = 7, i = 0;

for(; num <= 30; ++i) {
    num += 6;
}

System.out.println("Added " + i + " times the number 6 to 7");

Is using a for-loop in such a way bad practice?

I'm not sticking to the "traditional" way a for-loop is implemented.

Answer 1

There are actually use cases for defining a value outside of the for-loop block, such that if you need to retain that value after the computation.

That being said, if you don't need 'num' or 'i' after the for-loop, then yeah this would definitely be unconventional (not necessarily frowned upon, thats a bit subjective).