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!

Want to know the tricks of replacing a variable in a file using the SED command? This article will give you an overview of replacing a variable value in a file using SED. Before replacing a variable ...

In Java, printf is recommended as a replacement for calls to the print or println methods. How do you format output with Java printf? To format text based output with the Java printf method, follow ...