Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

³õѧJava ϹдһµÀ Ò»Çж¼ÊǸ¡ÔÆ


import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
public class Test {
 /**
  * @×÷ÕßQQ£º351828554 2009/12/01 ÐÇÆÚ¶þ
     version:1.0
  */
 public static void main(String[] args) {
        new encryptWindow();
 }
}
class encryptWindow extends JFrame implements ActionListener
{
 JSplitPane splitPane;
 JButton button1,button2;
    JTextArea inputText,showText;
 JPanel p1;
 JLabel la1,la2;
 JMenuBar bar;
 JMenu mu1,mu2;
 JMenuItem  itemCopy1,itemCut1,itemPaste1,
            itemCopy2,itemCut2,itemPaste2,
            itemHelp,itemClear;
 HelpListen hlisten;
 JPopupMenu menu1,menu2;
 encryptWindow()
 { 
    setTitle("¼òµ¥¼ÓÃÜС¹¤¾ß");
    setBounds(170,120,500,330);
    setVisible(true);
    menu1=new JPopupMenu();
    menu1.setBounds(10,10,20,20);
    menu2=new JPopupMenu();
    menu2.setBounds(10,10,20,20);
    hlisten=new HelpListen();
    button1=new JButton("¼ÓÃÜ");
    button2=new JButton("½âÃÜ");
    itemCopy1=new JMenuItem("¸´ÖÆ");
    itemCut1=new JMenuItem("¼ôÇÐ");
    itemPaste1=new JMenuItem("Õ³Ìù");
    itemCopy2=new JMenuItem("¸´ÖÆ");
    itemCut2=new JMenuItem("¼ôÇÐ");
    itemPaste2=new JMenuItem("Õ³Ìù");
    itemHelp=new JMenuItem("°ïÖú");
    itemClear=new JMenuItem("Çå¿Õ");
    menu1.add(itemCopy1);
    menu1.add(itemCut1);
    menu1.add(itemPaste1);
    menu2.add(itemCopy2);
    m


Ïà¹ØÎĵµ£º

¶Ôjava¼¼ÊõStringµÄ̽ÌÖ

ÒªÀí½â javaÖÐStringµÄÔË×÷·½Ê½£¬±ØÐëÃ÷È·Ò»µã£ºStringÊÇÒ»¸ö·Ç¿É±äÀࣨimmutable£©¡£Ê²Ã´ÊǷǿɱäÀàÄØ£¿¼òµ¥ËµÀ´£¬·Ç¿É±äÀàµÄʵÀýÊDz»Äܱ»Ð޸ĵģ¬Ã¿¸öʵÀýÖаüº¬µÄÐÅÏ¢¶¼±ØÐëÔÚ¸ÃʵÀý´´½¨µÄʱºò¾ÍÌṩ³öÀ´£¬²¢ÇÒÔÚ¶ÔÏóµÄÕû¸öÉú´æÖÜÆÚÄڹ̶¨²»±ä¡£javaΪʲôҪ°ÑStringÉè¼ÆΪ·Ç¿É±äÀàÄØ£¿Äã¿ÉÒÔÎÊÎÊ james Gosling £º£©¡£µ ......

ÓûìÏýÆ÷±£»¤ÄãµÄJAVA(.class)´úÂë(Ò»)

JAVA´úÂë±àÒëºóÊÇ.classÎļþ,ͨ¹ý·´±à¹¤¾ßºÜÈÝÒ×±»±ðÈË¿´µ½Ô´´úÂë
±£»¤JAVA´úÂëµÄ·½·¨ºÜ¶à£¬ÏÂÃæ½éÉÜÒ»ÖֱȽϷ½±ãʹÓõķ½·¨¡£
   obfuscate4eÊÇÒ»¿î²ÉÓûìÏýÆ÷¸Ä±äCLASSÎļþÄÚÈݵķ½·¨¡£
ÏÂÎĽ«½éÉܾßÌåºÍeclipseµÄÕûºÏ·½·¨
1.ÏÂÔØobfuscate4e,¼ÓÈëÕ¾µãhttp://obfuscate4e.org/updates/,Õâ¸öÈí¼þÊǵ¹úÈË¿ª· ......

ʹÓÃjava¶ÁÈ¡URL

import java.net.*;
import java.io.*;
public class ReadDemo
{
public static void main(String argv[])
{
try
{
URL url = new URL("http://blog.chinaunix.net/u/15586/showart_1863289.html");
BufferedRe ......

dzÎöJavaÐòÁл¯»úÖÆ

    Javaµ±ÖеÄÐòÁл¯£¬ÆäÖ÷ÒªµÄ×÷ÓÃÊǽ«ÀàµÄʵÀý½øÐÐÎÞËð´«Ê䣬»òÕß˵¾ÍÊÇͨ¹ýJavaµÄÐòÁл¯»úÖÆ£¬JavaÀàµÄʵÀý¿ÉÒÔͨ¹ýObjectÁ÷À´´«ÊäºÍÖØлñÈ¡£¬¶ø²»»áËð»µÀàµÄʵÀý¡£
    Ê×ÏÈ£¬ÎÒÃÇ¿´¿´Ê²Ã´ÑùµÄÀàÊÇÐòÁл¯À࣬
      1.AÀà×ÔÉíʵÏÖÁËSerializable½Ó¿ÚµÄÀࣻ ......

javaÉú³Éxml¸ñʽÊý¾Ý

//»ñÈ¡Êý¾Ý¿âÊý¾Ý·µ»Ølist
public List queryAll(int fcateId) {
List list = new ArrayList();
String sql = "select * from g_Account where fCateID=? order by fCode";
Connection con = SqlHelp.getConn();//»ñµÃÁ¬½Ó£¬sqlhelp×Ô¼ºÐ´µÄ¹¤¾ßÀà
PreparedStatement pst = null;
ResultSet rs = null;
......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ