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Programming Concepts using Java · Quiz 2 · 3 Aug 2025 · May 2025 term

Question 10: Consider the code given below. What will the output be?

Question 10

+7 marksOne correct option

Consider the code given below.

java
interface Shape {
public abstract double getArea();
}
class Rectangle implements Shape, Cloneable {
protected double width;
protected double height;
public Rectangle(double w, double h)
width = w;
height = h;
}
public double getArea() {
return width * height;
}
public Rectangle clone() throws CloneNotSupportedException {
return (Rectangle) super.clone();
}
}
class Square extends Rectangle {
public Square(double side) {
super(side, side);
}
public Square clone() throws CloneNotSupportedException {
return (Square) super.clone();
}
}
public class ShapeTest {
public static void main(String[] args) {
try {
Square s1 = new Square(5);
Square s2 = s1.clone();
s1.width = 10;
System.out.print(s1.getArea() + s2.getArea());
} catch (CloneNotSupportedException e) {
System.out.println("Cloning not supported");
}
}
}

What will the output be?

  1. A

    125.0

  2. B

    75.0

  3. C

    50.0

  4. D

    Cloning not supported

Show answer

Correct answer

  • B

    75.0

Question 10 of 15 in the IIT Madras BS Programming Concepts using Java (Java) Quiz 2 paper sat on 3 Aug 2025, in the May 2025 term (IIT M DEGREE AN EXAM QDB2 03 Aug 2025). It carries 7 marks.

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