將日期對(duì)象和向量對(duì)象寫入文件,然后從文件中讀出并輸出到屏幕上
java;">package objstream;import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.io.ObjectInputStream;import java.io.ObjectOutputStream;import java.util.Date;import java.util.Vector;import java.util.logging.Level;import java.util.logging.Logger;import javafx.scene.chart.PieChart.Data;/** * * @author Administrator */public class ObjStream { /** * @param args the command line arguments */ public static void main(String[] args) throws IOException { try { //這2句與FileOutputStream fout = new FileOutputStream("test.txt"); //是等價(jià)的 FileOutputStream fout = null; File f = new File("test.txt"); Vector v = new Vector(); //Vector變量 v.add("不求有功"); v.add("才華出眾"); v.add("瞬息萬(wàn)變"); fout = new FileOutputStream(f); ObjectOutputStream Obj = new ObjectOutputStream(fout); Object Oj = new Object(); Oj = new Date(); Obj.writeObject(Oj); Obj.writeObject(v); Obj.close(); FileInputStream Fin = new FileInputStream(f); ObjectInputStream Ois = new ObjectInputStream(Fin); Object Oji = new Object(); //這里為什么要用2個(gè)OBJECT來(lái)輸出求指教 Oji = Ois.readObject(); //不用2個(gè)的話只輸出時(shí)間 System.out.println(Oji); Object Oji2 = new Object(); Oji2 = Ois.readObject(); System.out.println(Oji2); } catch (FileNotFoundException ex) { Logger.getLogger(ObjStream.class.getName()).log(Level.SEVERE, null, ex); } catch (ClassNotFoundException ex) { Logger.getLogger(ObjStream.class.getName()).log(Level.SEVERE, null, ex); } }}對(duì)象輸入流)可讀取使用對(duì)象輸出流寫入的原始數(shù)據(jù)和類型,與文件輸入輸出流一起可以實(shí)現(xiàn)對(duì)象的持久性存儲(chǔ)。
結(jié)果:
Fri Jul 24 11:28:01 CST 2015
[不求有功, 才華出眾, 瞬息萬(wàn)變]
成功構(gòu)建 (總時(shí)間: 2 秒)
但是test.txt文件里是亂碼~~怎么破??
總結(jié)
以上就是本文關(guān)于Java對(duì)象流實(shí)例代碼的全部?jī)?nèi)容,希望對(duì)大家有所幫助。感興趣的朋友可以繼續(xù)參閱本站其他相關(guān)專題,如有不足之處,歡迎留言指出。感謝朋友們對(duì)本站的支持!
新聞熱點(diǎn)
疑難解答
圖片精選