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." ...

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!

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.

Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs.

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 ...

Or to put it more simply, argument should start with either in_, out_ or io_. Generally speaking, variables are not visible outside the activity in which they are defined. To overcome this limitation ...