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Interface.java
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Interface.java
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import java.util.*;
interface Test1{
final static int X=10;
public abstract void meth1();
public abstract void meth2();
default void meth3(){
System.out.println("Meth3 of Test");
}
}
interface Test2 extends Test1{
void meth4();
}
interface Test3{
void meth5();
}
class My implements Test2,Test3
{
public void meth1(){System.out.println("Meth1");}
public void meth2(){System.out.println("Meth2");}
public void meth4(){System.out.println("Meth4");}
public void meth5(){System.out.println("Meth5");}
}
public class Interface{
public static void main(String[] args){
My ref=new My();
ref.meth1();
ref.meth2();
ref.meth3();//default keyword for spacial inside
// method with body in Abstract Class
ref.meth4();
ref.meth5();
Test1 ref1=new My();
ref1.meth1();
ref1.meth2();
ref1.meth3();
//ref1.meth4(); it is not applicable ,
//ref1.meth5(); the reference is from Test1 Interface
Test2 ref2=new My();
ref2.meth1();
ref2.meth2();
ref2.meth3();
ref2.meth4();
Test3 ref3=new My();
ref3.meth5();
}
}