NPTEL(14 Sep - 04 Dec ) | Week 4 : Program 3 and Program 4 Programming in JAVA Solutions 2020.

 

        Programming in JAVA.       

Java Week 4: Q3

The program in this assignment is attempted to print the following output: 

-----------------OUTPUT-------------------

This is large

This is medium

This is small

This is extra-large

-------------------------------------------------

However, the code is intentionally injected with some bugs. Debug the code to execute the program successfully.

PROGRAM:

interface ExtraLarge{
	String extra = "This is extra-large";
	 void display();
}

class Large {
    public void Print() {
        System.out.println("This is large");
    }
}
 
class Medium extends Large {
    public void Print() {
    	  super.Print();  
        System.out.println("This is medium");
    }
}
class Small extends Medium {
    public void Print() {
        super.Print(); ; 
        System.out.println("This is small");
    }
  }

 
class Question43 implements ExtraLarge{
    public static void main(String[] args) {
        Small s = new Small();
        s.Print();
	  Question43 q = new Question43();
	  q.display();
    }
  public void display(){
    
    System.out.print(extra);
    }
    
  }

Java Week 4: Q4

Complete the code segment to call the default method in the interface First and Second.

PROGRAM:

First.super.show();
Second.super.show();

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