In order to add such a feature, you need to understand how Java controls data. Developers use variables in Java to hold data, with all variables having a data type and a name.

Use Java's packages and static imports to organize top-level types and simplify access to their static members.

This post explains how to use variables in Java. Learn the primitive types (and what that means) and just why variables are so important for any coding!

What would be the best way to share variables/objects between different GUI elements in java? Basically I have several ArrayList objects I want my modal dialogs to have access to. Also, where is ...

This post explains how to use if statements in Java. Discover why flow control is so important, and how to use advanced keywords like "and" and "else." ...