How to sort an array

A common mistake for a beginner to Java is to try and write some more or less complex method for sorting an array when in fact it can be done with just one line of code.
The Arrays class has a static method called sort which exists in many overloaded versions so you can pass in an array of any primitive type, or pass in an array of Strings or other Objects.
Since it is the reference of the array that is passed to the sort method nothing needs to be returned from it, the array is altered through the reference.
The example below shows two nearly identical methods, one that sorts an int array, and one that sorts an array of Strings.

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