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What happens if the loop index exceeds the upper bound specified in a FOR LOOP statement?The loop exits automaticallyThe loop continues execution indefinitely

Question

What happens if the loop index exceeds the upper bound specified in a FOR LOOP statement?

  1. The loop exits automatically
  2. The loop continues execution indefinitely
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Solution

In a programming context, particularly with languages that utilize the for loop, the behavior when a loop index exceeds the upper bound specified in a loop statement is clearly defined.

  1. Loop Exit: When the loop index exceeds the upper bound, the loop exits automatically. This means that the loop's condition is no longer satisfied, and control moves to the next statement following the loop.

  2. Language Specifics: Most programming languages (like C, C++, Java, and Python) are designed to handle loop bounds correctly. For example, in a for loop structured as follows:

for i in range(5):
    print(i)

Here, the loop will run while i is less than 5. Once i reaches 5, the condition is false, and the loop exits automatically.

  1. Preventing Infinite Loops: If a programmer were to manually manipulate and modify the loop index (for example, incrementing it incorrectly within the loop), it could lead to an infinite loop scenario. However, with a properly configured for loop, exceeding the bounds will not permit infinite execution.

In conclusion, the correct answer to the question is: The loop exits automatically.

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