Access class variable using Interface type

Question

I\'ve following class

class MyClass implements Intrfc {

String pickmeUp = \"Its Me\";

public static void main(String[] args){

Intrfc ob = new MyClass();
ob.pi         


        

Answer 1

If you want to use the method of a class using the object of an interface you can do it as follows:

//Interface:
public interface TestOne {  
    int a = 5;
    void test();    
    static void testOne(){      
        System.out.println("Great!!!");

    }

    default void testTwo(){

        System.out.println("Wow!!!");

    }
}
//-------------------
//Class implementing it:
package SP;
public class TestInterfacesImp implements Test1, TestOne{   
    @Override
    public void test() {
        System.out.println("I Love java");      
    }

        public void testM() {
            System.out.println("I Love java too");
        }

    public static void main(String[] args) {
        TestOne.testOne();      
        TestOne obj = new TestInterfacesImp();
        obj.testTwo();
        TestInterfacesImp objImp = new TestInterfacesImp();
        objImp.test();
        ((TestInterfacesImp) obj).testM(); //Here casting is done we have casted to class type


    }
}

Hope this helps...