Multiple choice technology programming languages

What will be outcome of following code?

  1. first >> second >>

  2. first >>

  3. Compile time Error

  4. Runtime Error -- ConcurrentModificationException
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B Correct answer
Explanation

The code outputs 'first >>' because the while loop uses iterator.hasNext() which becomes false after the first iteration (iterator.next() advances past the only element 'first'), causing the loop to terminate before 'second' can be printed. There is no compilation error and ConcurrentModificationException only occurs with structural modifications during iteration.

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