This post shows readers how to create an array in Java. Including: Array Lists, multidimensional arrays, maps, and more. ... There is no way to remove elements or to add to the array at run time.

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." ...

Java supports arrays. Each element occupies the same number of bytes, and the exact number depends on the type of the element’s data item. Furthermore, all elements share the same type.