Get started with polymorphism in Java and how to do method invocation in polymorphic method calls.

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

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 XmlSerializer class provides a great way to convert objects to XML and back. However, it can be difficult to serialize collections such as Arrays and ArrayLists properly unless you know a few ...