testmypoint.java

java（sl275课程习题解module1-module3共7道习题的题目以及程序）

public class TestMyPoint
{
  public static void main(String[] args)
   {
      MyPoint start=new MyPoint();
      MyPoint end=new MyPoint();
      start.x=10;start.y=10;
      end.x=20;end.y=30;
      System.out.println("Start point is"+start.toString());
      System.out.println("End point is"+end.toString()); 
      MyPoint stray=end; 
      System.out.println();
      System.out.println("Stray point is"+stray.toString());
      System.out.println("End point is"+end.toString());
      stray.x=47;stray.y=30;   
      System.out.println();
      System.out.println("Stray point is"+stray.toString());
      System.out.println("End point is"+end.toString());
      System.out.println("Start point is"+start.toString());
       
  }
}