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  1. AP Computer Science A
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Array Basics in AP Computer Science A

Question 1
college-boardComputer Science AAPExam Style
1 mark

If an int array contains {4, 5, 6, 7}, what will be the output after running an enhanced for loop that prints each element multiplied by two?

Question 2
college-boardComputer Science AAPExam Style
1 mark

In the enhanced for loop, what is the role of 'type' in the general enhanced for loop header 'for (type element: arrayName)'?

Question 3
college-boardComputer Science AAPExam Style
1 mark

What is the purpose of the 'continue' keyword in Java's enhanced for loop?

Question 4
college-boardComputer Science AAPExam Style
1 mark

How does Java determine the number of iterations in an enhanced for loop operating on a String[] colors = {"red", "green", "blue"}?

Question 5
college-boardComputer Science AAPExam Style
1 mark

What will be the content of result after executing the following code snippet if arr contains [5, 10, 15, 20]?

Question 6
college-boardComputer Science AAPExam Style
1 mark

Which of the following is true about rewriting an enhanced for loop as another type of loop?

Question 7
college-boardComputer Science AAPExam Style
1 mark

Which statement accurately describes iterating through a double[] arr using an enhanced for-loop?

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Question 8
college-boardComputer Science AAPExam Style
1 mark

Which action allows a programmer to avoid a possible IndexOutOfBoundsException when using an enhanced for loop to iterate through an array?

Question 9
college-boardComputer Science AAPExam Style
1 mark

When implementing a queue that requires frequent enqueueing and dequeueing operations from both ends, which Java Collection Framework data structure offers optimized performance for such tasks?

Question 10
college-boardComputer Science AAPExam Style
1 mark

Which of the following enhanced for loop implementations would correctly sum up all the even numbers in an integer array named nums?