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." ...

By simply passing a String representation, developers can do all kinds of array manipulations seamlessly in Java. These operations are really helpful when we need to manipulate a huge dataset.

the number will increase incrementally with each new item. Unlike a list in say Python, however, Java arrays are of a fixed size. There is no way to remove elements or to add to the array at run time.