This post shows readers how to create an array in Java. Including: Array Lists, multidimensional arrays, maps, ... Now, at any point in our code, we will be able to add and remove elements.

You can add one or several random numbers into your array variables, but Java does not guarantee that each number is unique. Right-click the Java file you want to edit and select "Open With." ...

Set element zero of the second array equal to element zero of the first. Loop through the original array, starting at element 1. On each iteration, update the current element of the summed array to ...