This article contains… What is Polymorphism ? Reference variable types and Object Example of Polymorphism Runtime and Compiletime Polymorphism Example of both SCJP exam objective 5.2
Contents : IS-A relationship in OOP (Inheritance) Has-A relationship (Association) Different type of Association : Aggregation and Composition Example of each type SCJP exam objective 5.5
Content : What is Inheritance ? Example of Inheritance. Reason to use Inheritance. What you can do in child class ?
Content : What is Encapsulation ? Difference between Information hiding and Encapsulation. How to implement : Example of Encapsulation Why we need Encapsulation ?
In this example, you will find the basic structure and concepts of Java.lang.String with code example and description. / Java Library provide three class to handle Strings * String, StringBuffer and StringBuilder * In this section, the details and working of String class is included, however we will discuss the further parts in upcoming sections.… Read More »
In this example, you will find the details and concept of Local and class variables, initialization and their scope. /* * local variable must be initialized before attempt to use them. * Java will initialize instance variable for you !!! * Java does not give local variable a default value. */
In this Example, you can find the Cloneable interface and Clone method usage in java. and also various ways to create object in java. /* * Object cloning is a way to create exact copy of an object. * To use clone() method of java.lang.Cloneable interface, class must implement it else CloneNotSupportException will be thrown.… Read More »
In this example you will find Anonymous Inner class concepts, Inner class concepts in java, and also some tricks about Interface. /* * TestAnonymousInnerClass.java * * This Example includes… * 1. Method inside Interface with body. * 2. Inner Class inside Interface. * 3.… Read More »
In this example, you will find the concept of Inner class in java, how to declare and access the inner class properties. Access modifiers and their effect on inner class properties. Java doc for Inner class in given Here : Inner class in java