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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 a programmer needs to process elements of an integer array from last-to-first, which looping construct could they use?

Question 2
college-boardComputer Science AAPExam Style
1 mark

Given the Java snippet below, how does the final value of x differ after executing the full sequence compared to the original code lacking the else part condition?

if(x % 4 == 0) { x += 10; } else { x /= 4; }

Question 3
college-boardComputer Science AAPExam Style
1 mark

When debugging an algorithm that sums values in an integer array, what should you check first?

Question 4
college-boardComputer Science AAPExam Style
1 mark

What would be the outcome of using a for-each loop to find the maximum value in an array of integers?

Question 5
college-boardComputer Science AAPExam Style
1 mark

What value of X result in printing all elements of the array int[] nums using this code snippet? ' int x=_____;' ' WHILE ( x< NUMS.LENGTH) { SYSTEN.OUT.PRINTLN(NUMS[X++]); }

Question 6
college-boardComputer Science AAPExam Style
1 mark

If an array has four elements and we used the for loop header for (int i = 0; i <= 4; i++) to traverse it, what is the result?

Question 7
college-boardComputer Science AAPExam Style
1 mark

What does a standard for-loop look like when traversing backward through an int[] numbers starting at its last element?

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Question 8
college-boardComputer Science AAPExam Style
1 mark

Which of the following correctly forward traverses every element of an array using a while loop?

Question 9
college-boardComputer Science AAPExam Style
1 mark

Which loop structure ensures checking all pairs in an int[] array for consecutive elements that sum up to an odd number without redundant checks?

Question 10
college-boardComputer Science AAPExam Style
1 mark

How many times will the body of the following loop execute: int count=8; for(int i = count; i > 0; i++)?