ObjectInputStream和ObjectOuputStream对象输入输出流
package com.study;import java.io.*;/** * 对象输入输出流，用于对对象的输入以及输出的操作。对一个对象进行操作 * * @author Administrator * */public class ObjectStream {public static void main(String[] args) {try {Desks d= new Desks();d.width="宽度";d.height="高度";ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream("F:\\project\\study\\WebRoot\\object_stream.txt"));oos.writeObject(d);ObjectInputStream ois = new ObjectInputStream(new FileInputStream("F:\\project\\study\\WebRoot\\object_stream.txt")); System.out.println(ois.readObject());ois.close();oos.flush();oos.close();Computer[] computer ={new Computer("100","200","三星","XP"),new Computer("200","1100","三星1","XP"),new Computer("300","1200","三星2","XP"),new Computer("400","2200","三星3","XP"),new Computer("500","3200","三星4","XP"),new Computer("600","4200","三星5","XP"),new Computer("700","5200","三星6","XP")};ObjectOutputStream comp_oos = new ObjectOutputStream(new FileOutputStream("F:\\project\\study\\WebRoot\\computer_stream.txt"));for(Computer comp : computer){comp_oos.writeObject(comp);}ObjectInputStream comp_ois =new ObjectInputStream(new FileInputStream("F:\\project\\study\\WebRoot\\computer_stream.txt"));for(Computer comp : computer){System.out.println(comp_ois.readObject());}}catch(IOException ioe) {ioe.printStackTrace();}catch(ClassNotFoundException e) {e.printStackTrace();}}}/** * 进行对象输入输出的时候 要进行Serializable的序列化类， * @author Administrator * */class Desks implements Serializable {String width="100";String height="200";transient int len=1111; //此成员变量打印不考虑，为默认值/** * 重写了父类toString() 方法 */public String toString() {return this.width+" "+this.height+" "+this.len;}}class Computer implements Serializable { private String width;private String height;private String display_hz;private String os_software;public Computer(String width,String height,String display_hz,String os_software) {this.width=width;this.height=height;this.display_hz=display_hz;this.os_software=os_software;}public String toString() {return "计算机的配置 宽度为："+this.width +" 高度为:"+this.height+"显示器为："+this.display_hz+"操作系统"+this.os_software;} }?