calculate area of rectangle using default constructor in java

1import java.util.*;
2class RectangleShape 
3{
4   int area, length, breadth; 
5   RectangleShape() 
6   { 
7      length = 50; 
8      breadth = 20; 
9   } 
10   void getArea() 
11   { 
12      area = length * breadth; 
13      System.out.println("Area of Rectangle : " + area); 
14   }  
15}
16public class RectangleAreaConstructor
17{
18   public static void main(String[] args) 
19   {
20      RectangleShape rs = new RectangleShape(); 
21      rs.getArea();
22   }
23}