import java.io.*;
import java.util.*;
import java.awt.*;
public class SavePoint {
   public static void main(String[] args) {
    String s = "one";
    Point p = new Point(66,88);
    HashMap<String,Point> hm = new HashMap<String,Point>();
    hm.put(s,p);                               //向容器中放对象
        
    try{
    ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream("c:/
                                                                         test.txt"));
    oos.writeObject(hm.get(s));                //从容器中取数据并输出到文件中
    oos.flush();
    oos.close();
        
    ObjectInputStream ois = new ObjectInputStream(new FileInputStream("c:/
                                                                         test.txt"));
    Point rp = (Point)ois.readObject();        //从文件中读出数据
    System.out.println("" + rp.getX() + " " + rp.getY());
    ois.close();
    } catch(FileNotFoundException e) {
        e.printStackTrace();
    } catch(IOException e) {
        e.printStackTrace();
    } catch(ClassNotFoundException e) {
        e.printStackTrace();
    }
   }
}