Here's how to make classes, fields, methods, constructors, and objects work together in your Java programs.

The correct way to convert a String to long in Java is with the parseLong method of the wrapper class. The constructor conversion approach is deprecated! Use parseLong instead.

Java's Scanner class provides a simple and effective way to handle user input. In this simple example, we show how to use Java's Scanner for String input with methods like next (), nextLine () and ...

Do you have a Java class whose functionality would be useful across the entire enterprise? Do you have many classes with enterprise potential and existing applications that use them? Creating EJB ...

This post explains how to use classes in Java to build objects and organize your code. Also learn: constructors, static methods, and more!

This is an in-depth java tutorial for beginners. Learn what Java is, how to get started, and how to build basic apps using key concepts!