myrectangle.java

建议：此程序最好放到计算机上调试

public class MyRectangle{
   static int l;
   static int w;
   public MyRectangle(){   }
   public MyRectangle(int Length,int Width){
   l=Length;
   w=Width;   }
   public double getLength(){
        return  l;    }
   public double getWidth(){
        return  w;   }
   public static double getArea(){ 
        return  l*w; }
  public String toString(){
        return "the area is"+getArea()+"nn";   }
  public double setLength(int Length){
         l=Length;
         return  l; }
  public double setWidth(int Width){
        w=Width;
        return  w;   }
public static void main(String args[]){
       MyRectangle x=new MyRectangle(3,6);
	 System.out.println(getArea());
	 System.out.println(x.toString());
}}