Java string object example. In Java, a string is an object that represents a number of character values. Each letter in the string is a separate character value that makes up the Java string object.

The above code exercises the three mentioned approaches for getting a String out of an array on the three different types of arrays: single dimension, multi dimension, and null array.

Do you need to know how to sort Java objects in a collection, array, ... String length, reverse alphabetical order, ... this code is complicated and includes a lot of repetition.