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J2SE 5 provided significant new language features that made Java significantly easier to use and more expressive than it had ever been.
0, 3, null, options, options[0]); The array named options defines the three fields to display in the dialog box. The array is then passed as the seventh of eight parameters required by the JOptionPane ...
In Java an array is a way of storing multiple items of the same type. In this quick tutorial we introduce you to the very basics.
For new Java programmers, the JOptionPane class is a great visual and user-friendly introduction to user input and Swing-based programming. Here's how to get started.