例9.txt

这是一本java基础教程 对新手上路有很大帮助

import java.io.*;
class Goods implements Serializable{
    String name=null;
    double unitPrice;
    Goods(String name,double unitPrice){
       this.name=name;
       this.unitPrice=unitPrice;
    }
    public void setUnitPrice(double unitPrice){
       this.unitPrice=unitPrice;
    }
    public void setName(String name){
       this.name=name;
    }
    public String getName(){
       return name;
    }
    public double getUnitPrice(){
       return unitPrice;
    }
}
public class Example9_9{
    public static void main(String args[ ]){
        Goods TV1=new Goods("HaierTV",3468);
        try{   FileOutputStream fileOut=new FileOutputStream("a.txt");
              ObjectOutputStream objectOut=new ObjectOutputStream(fileOut);
              objectOut.writeObject(TV1);  
              FileInputStream fileIn=new FileInputStream("a.txt");
              ObjectInputStream objectIn=new ObjectInputStream(fileIn);
              Goods TV2=(Goods)objectIn.readObject();
              TV2.setUnitPrice(8888);
              TV2.setName("GreatWall");
              System.out.printf("\nTv1:%s,%f",TV1.getName(),TV1.getUnitPrice());
              System.out.printf("\nTv2:%s,%f",TV2.getName(),TV2.getUnitPrice());
        }
        catch(Exception event){
              System.out.println(event);
         }
    }
}