public class Rectangle
{
 //declares instance variables
 private int length;
 private int width;


 /**
  * Rectangle
  * sets the length and width to default values
  * pre: none
  * post: length and with set = to 1
  */

 public void Rectangle()
 {
  // sets length and width as 1 if no parameters are entered
  length = 1;
  width = 1;
}

/**
 * Rectangle
 * sets the length and width to values entered by user
 * pre: none
 * post: length and width set = to user input
 */
public void Rectangle ( int len, int wid)
{
    //sets the legth and width as the user variable

    length = len;
    width = wid;
}

//rectangle object with default numbers
Rectangle rectan1= new Rectangle();
System.out.println("Area of rectangle with no parameters: "+
rectan1.area());

//rectangle object using parameters
Rectangle rectan2= new Rectangle(2,3);  //ERROR RECEIVED HERE
System.out.println("Perimeter of rectangle with parameters: "+
rectan2.perimeter());