This post shows readers how to create an array in Java. Including: Array Lists, multidimensional arrays, maps, and more.

In Java an array is a way of storing multiple items of the same type. In this quick tutorial we introduce you to the very basics.

This Java runtime exception happens when the wrong type of object is placed into an array. In the example below, a BigInteger array is created, followed by an attempt to add a Double. The Double does ...

The Java array size is set permanently when the array is initialized. The size or length count of an array in Java includes both null and non-null characters. Unlike the String and ArrayList, Java ...

The more familiar you are with Object and its methods, the more you can do with your Java programs.