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1. Hello World2. Add Two Numbers3. Swap Two Numbers4. Find ASCII Value of a Character5. Even or Odd Number6. Largest of Two Numbers7. Largest of Three Numbers8. Positive or Negative Number9. Area of Circle10. Area of Rectangle11. Area of Triangle12. Simple Interest13. Compound Interest14. Celsius to Fahrenheit15. Sum of N Natural Numbers16. Power without Math.pow()17. ASCII to Character18. Character to ASCII19. Convert Seconds to Hours and Minutes20. Gross Salary Calculation

Area of Rectangle in Java

Calculate the area of a rectangle given its length and breadth.

BeginnerModule 1: Basic Java ProgramsExample 10 of 20
area-of-rectangle.java
1import java.util.Scanner;
2

3public class Main {
4    public static void main(String[] args) {
5        Scanner sc = new Scanner(System.in);
6

7        System.out.print("Enter length: ");
8        double length = sc.nextDouble();
9        System.out.print("Enter breadth: ");
10        double breadth = sc.nextDouble();
11

12        double area = length * breadth;
13        System.out.println("Area of rectangle = " + area);
14

15        sc.close();
16    }
17}

Output

Enter length: 4
Enter breadth: 3
Area of rectangle = 12.0

What's going on

We apply the formula area = length × breadth.

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