Java Tutorial : Java default method in super interface

Click here to watch in Youtube :
https://www.youtube.com/watch?v=09bnFmTjZ9w&list=UUhwKlOVR041tngjerWxVccw

Click the below Image to Enlarge

Java Tutorial : Java default method in super interface 

InterfaceA.java

public interface InterfaceA
{
    default public void sayWelcome()
    {
        System.out.println("Welcome by InterfaceA");
    }
}

InterfaceB.java

public interface InterfaceB extends InterfaceA
{
    
}

InterfaceC.java

public interface InterfaceC extends InterfaceA
{
    
}

MyClass.java

public class MyClass implements InterfaceB,InterfaceC
{

}

DefaultMethodTest.java

public class DefaultMethodTest
{

    public static void main(String[] args)
    {
        MyClass myClassObj = new MyClass();
        myClassObj.sayWelcome();
    }

}

Output

Welcome by InterfaceA

Click the below link to download the code:
https://sites.google.com/site/javaee4321/java/DefaultMethodDemo-In-Super_I-App.zip?attredirects=0&d=1

Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/DefaultMethodDemo-In-Super_I-App

Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/fa67e02bcd9efeae1c2ea3019677c5252e4db5f7/BasicJava/DefaultMethodDemo-In-Super_I-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