Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields ...

Creating a Java string. Below is one simple syntax for creating a Java string. String greeting = "Hello world!"; In this example, "Hello world!" is a string literal, which is a series of characters ...

Because those objects are accessible through some reference variable within the Java program, they could, from the JVM's point of view, be required in a future path of execution and so must be ...

Java basics: your first program Head over to compilejava.net and you will be greeted by an editor with a bunch of code already in it. (If you would rather use a different IDE or app that’s fine too!

Copying objects is a common Java programming operation that has one serious trap. Here's how to avoid copying from an object reference and only copy the instance and values you want.

Sun Microsystems, the inventors of Java, calls this behavior "moving behavior" and the object parameter-passing mechanism "object serialization." For example, when a user at a remote computer, A, ...