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Unit 6: Array
Quick questions on Developing algorithms using arrays - AP Computer Science A Unit 6
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
Why should a maximum-finding algorithm initialise its "best" variable to arr[0] rather than to 0? [1 point]
What is q2?Show answer
Write a loop that counts how many elements of an int array arr are equal to 0. [2 points]
What is integer division in the average?Show answer
sum / arr.length with two ints truncates. Cast to double first: (double) sum / arr.length.
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