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3 cards from this section. Quick, good the night before a test.
What is the purpose of an array in Java?
Think of how an array groups similar items.
If int[] arr = {1, 2, 3}; what will arr[1]` return?
Remember indexing starts at zero.
What is an array in Java?
Consider how data is stored in Java.
True or False: In Java, the first index of an array is 1.
Remember how counting starts.
Write a program that initializes an array of your choice with integer values, then finds the average of those values.
Remember to use the length and a for loop.
Create a method that reverses an array and returns the new reversed array.
Consider using two pointers.
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