Wednesday, 20 January 2016

Java Tutorial : Java method overriding(Instance method preference)


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https://www.youtube.com/watch?v=IRg4HW4P7x8&list=UUhwKlOVR041tngjerWxVccw

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Java Tutorial : Java method overriding(Instance method preference) 
InterfaceA.java
public interface InterfaceA
{
    default public void sayWelcome()
    {
        System.out.println("Welcome by InterfaceA");
    }
}
Parent.java
public class Parent
{
    public void sayWelcome()
    {
        System.out.println("Welcome by Parent Class");
    }
}
MyClass.java
public class MyClass extends Parent implements InterfaceA
{

}
MethodOverrideTest.java
public class MethodOverrideTest
{

    public static void main(String[] args)
    {
        MyClass myClassObj = new MyClass();
        /*
         * Default methods and abstract methods in interfaces are inherited like
         * instance methods.
         * 
         * Instance methods are preferred over interface default methods.
         */
        myClassObj.sayWelcome();
    }

}
Output
Welcome by Parent Class
Click the below link to download the code:
https://sites.google.com/site/javaee4321/java/MethodOverridingDemo-perference-App.zip?attredirects=0&d=1

Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/MethodOverridingDemo-perference-App

Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/fa67e02bcd9efeae1c2ea3019677c5252e4db5f7/BasicJava/MethodOverridingDemo-perference-App/?at=master

See also:
  • All JavaEE Viedos Playlist
  • All JavaEE Viedos
  • All JAVA EE Links
  • Servlets Tutorial
  • All Design Patterns Links
  • JDBC Tutorial
  • Java Collection Framework Tutorial
  • JAVA Tutorial
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