Write a Java program which prompts the user to type in the width and length of a room

Question

Then  calculate and display the perimeter and floor surface area of the room in a dialog box

Answer 1

import java.util.Scanner;

public class Main{

public static void main(String[] args) {

  Scanner keyboard =new Scanner(System.in);

    

  

System.out.println("Enter length of the room:");

double length=keyboard.nextDouble();

System.out.println("Enter length of the room:");

double width=keyboard.nextDouble();

    double area;

    area=0.5*length*width;

    System.out.println("Area is"+area);

        

        

}

}