Iterative construct › For Loop in Programming Language › Question #23073
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QIn which of the following languages is the for loop index explicitly declared?

ID: #23073 For Loop in Programming Language 68 views
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#23073Q ID
ModerateDifficulty
For Loop in Programming LanguageTopic
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  • A Python ✔ ✖
  • B Java ✔ ✖
  • C Ruby ✔ ✖
  • D JavaScript ✔ ✖
Correct Answer: Option B

Explanation

In Java, the for loop index is explicitly declared as a part of the loop structure. For example, for (int i = 0; i < 10; i++), where int i is the explicit declaration of the index. In Python, the for loop doesn't require explicit declaration of the loop index; it's directly inferred from the iterable object being looped over. Ruby and JavaScript also handle the loop index differently, where the loop variable may be initialized automatically or inferred from an iterable.

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