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.

The variable must be static, so there's only one for all of the function's execution. [Click on image for larger view.] Figure 1. Testing Out Code Variations at Runtime How can you change the value ...