This post shows readers how to create an array in Java. Including: Array Lists, multidimensional arrays, maps, and more. ... There is no way to remove elements or to add to the array at run time.

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." ...

To find the size of a Java array, query an array’s length property. The Java array size is set permanently when the array is initialized. The size or length count of an array in Java includes both ...

The array of values to display; The item in the array to initially highlight; How to use Java’s JOptionPane for user input. New users to the Java language should be encouraged to use the JOptionPane ...