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.

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

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

To take String input from the user with Java’s Scanner class, just follow these steps Import java.util.*; to make Java’s Scanner class available Use the new keyword to create an instance of the ...

The EJBWizard class is the entry point in my design. It has a constructor that takes the original Java class, that is, the one that will become an EJB: ...

Java is influenced by C and C++, so it has many similarities with those languages (and C#). One of the big advantages of Java is that it is “platform independent.” This means that code you ...