Java Program To Find Area Of Rectangle

import java.util.Scanner;
public class demo1
{
   public static void main(String args[]) 
    {         
      Scanner input= new Scanner(System.in);        
      System.out.println("Enter the length:");
      double a= input.nextDouble();
      System.out.println("Enter the breadth:");
      double b= input.nextDouble();          
      double  area=a*b;
      System.out.println("Area of Rectangle is: " + area);      
   }
}