A Java class can contains fields, methods, constructors, and blocks. Methods in the class are similar to the functions that are used to perform operations and represent behavior of an object.

Object-oriented systems are usually partitioned into layers of related responsibilities and only dependencies in one direction are allowed, from higher layers (more specific, less reusable) to lower ...

In Classes and objects in Java, you learned how to declare static fields and static methods as members of a class, and in Class and object initialization in Java, you learned how to declare static ...

Note: Java's Object class is poorly named because an "object" is usually an instance of a class. But the class that all classes ultimately and implicitly extend from is called Object. In this course, ...

A tutorial highlighting the various design patterns in Java. Learn about the benefits and different types of design patterns.

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.

Java Console class input and ouput The easiest way to garner user input in a Java program is to use the System’s Console class. Introduced in Java 6, Java’s System Console class provides two simple ...