Have you ever wondered how to sort elements in a List? Java’s collections classes and interfaces (in the java.util package) provide the ability to sort arbitrary datasets. In this article, we ...

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 ...

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

The Java array’s length property does not return the number of non-null elements in the array. The Java array length represents the array’s total potential size, not just the number of elements that ...