6 min read
This study guide covers standard algorithms for ArrayLists including: modifying array values and object instance variables, finding minimum/maximum, sum, mean, and mode. It also explains how to determine if all values meet a criteria, access consecutive sequences, check for duplicates, count elements fitting a criteria, shift elements left/right, reverse an ArrayList, and convert between ArrayLists and arrays.
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Question 1 of 18
What will be the output of the ArrayList
numbers after executing doubleArray(numbers)
if numbers initially contains [1, 2, 3]
?
[1, 2, 3]
[2, 4, 6]
[1, 4, 9]
[0, 0, 0]