NPTEL Programming in Java Week3 Assignment-3 Solutions 2021 | Swayam

 

Week-1

Ans of Question - 1

if(n==1)

    return 0;

else if(n==2)

    return 1;

return fib(n-1) + fib(n-2)

        

Ans of Question - 2

class point 

{

    double x;

    double y;

     

    void distance(Point p1, Point p2)

    {

        double dis=Math.sqrt((p2.x-p1.x)*(p2.x-p1.x)+(p2.y-p1.y)*(p2.y-p1.y));

        System.out.print(dis);

    }

}

Ans of Question - 3

double height;

Test1(double length ,double h)

{

    super(length);

    height=h;

}

Test1(double length ,double breadth,double h)

{

    super(length,breadth);

    height=h;

}

double calculate()

{

    return length*breadth*height;

}

Ans of Question - 4

QuestionScope obj=new QuestionScope();

System.out.println(obj.sum(n1,n2));

System.out.println(QuestionScope.multiply(n1,n2));

Ans of Question - 5

static void swap(Question t)

{

    int obj;

    obj=t.e1;

    t.e1=t.e2;

    t.e2=obj;

}