JAVA EE: Java Tutorial : Multiple Inheritance by Interface(extends)

Thursday 14 January 2016

Java Tutorial : Multiple Inheritance by Interface(extends)

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

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Java Tutorial : Multiple Inheritance by Interface(extends)

InterfaceA.java

public interface InterfaceA
{
    void sayHi();       
}

InterfaceB.java

public interface InterfaceB
{
    void sayBye();
}

InterfaceC.java

public interface InterfaceC extends InterfaceA, InterfaceB
{
    void sayWelcome();
}

MyClass.java

public class MyClass implements InterfaceC
{

    @Override
    public void sayHi()
    {
        System.out.println("Hi");
    }

    @Override
    public void sayBye()
    {
        System.out.println("Bye");
    }

    @Override
    public void sayWelcome()
    {
        System.out.println("Welcome");
    }

}

InterfaceTest.java

public class InterfaceTest
{

    public static void main(String[] args)
    {
        InterfaceC interfaceCRef = new MyClass();
        interfaceCRef.sayHi();
        interfaceCRef.sayBye();
        interfaceCRef.sayWelcome();
    }

}

Output