Question

This is Java programing. Complete Java program to produce the following output.

interface Register{  
void course();  
}  

public class Interface1{  
   public static void main(String args[]){  
     Register c=new A();
     c.course();
     Register s=new B();
     s.course();  
   }
}  

//output

I'm taking A

I'm taking B

Answer 1

Complete Java Program:

interface Register{
void course();
}

//Class by name A implements Interface Register
class A implements Register
{
   //Implementing Method Course that prints statement
   public void course()
   {
       System.out.println("I'm taking A");
   }
}

//Class by name B implements Interface Register
class B implements Register
{
   //Implementing Method Course that prints statement
   public void course()
   {
       System.out.println("I'm taking B");
   }
}

public class Interface1{
   public static void main(String args[]){
       Register c=new A();
       c.course();
       Register s=new B();
       s.course();
   }
}

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Sample Output: