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 ...

The default constructor in Java takes no arguments -- it simply initializes reference types to null and primitive types to the binary equivalent of zero. That means instance variables are assigned as ...

The class has two properties: x and y. The following code is an example. public class Point { int x; int y; } For a user of this class to set the x and y value of Point, you must provide a constructor ...