You can add one or several random numbers into your array variables, but Java does not guarantee that each number is unique. Right-click the Java file you want to edit and select "Open With." ...

Java is an object-oriented programming language, but there’s more to Java than programming with objects. This tutorial is the first of several introducing non-object-oriented features and syntax ...

In Java an array is a way of storing multiple items of the same type. ... Names for arrays have to respect the usual Java variable naming conventions. Creating and initializing an array.