Tag Archives: abstraction

Abstract Methods An abstract method is a method that is declared without an implementation (without braces, and followed by a semicolon). abstract class GraphicObject { int x, y; ... void moveTo(int newX, int newY) { ... } abstract void draw(); abstract void resize(); } Each nonabstract subclass of GraphicObject, such …

Abstract Classes An abstract class is a class that is declared abstract—it may or may not include abstract methods. Abstract classes cannot be instantiated, but they can be subclassed. abstract class GraphicObject { int x, y; ... void moveTo(int newX, int newY) { ... } void draw() { . . …

Object Oriented Programming in Java Object Oriented Programming is a concept of objects and relating everything in real world. It allows us to think about everything in the universe as an object so we can easily work with them. In this Java programming tutorial, we will learn basic pillars of …