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AP Computer Science A
Unit 7 – ArrayList in AP Computer Science A
Topic 7.4
Which of the following code blocks correctly finds the maximum value in the Integer ArrayList 'array'?
public static int maximum(ArrayList<Integer> array) { int maxValue = array.get(0); for (int number: array) { if (number > maxValue) { maxValue = number; } } return maxValue; }
public static int maximum(ArrayList<Integer> array) { int maxValue = array.get(0); for (int number = 0; number < array.size(); number++) { if (number > maxValue) { maxValue = number; } } return maxValue; }
public static int maximum(ArrayList<Integer> array) { int maxValue = 0; for (int number = 0; number < array.size(); number++) { if (number > maxValue) { maxValue = number; } } return maxValue; }
public static int maximum(ArrayList<Integer> array) { int maxValue = 0; for (int number: array) { if (number > maxValue) { maxValue = number; } } return maxValue; }
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AP Computer Science A - 7.4 Developing Algorithms Using ArrayLists
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Integer ArrayList
Maximum Value
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