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package AllAboutFile;
/**
 *
 * @author lucifer
 */
import java.awt.*;
import java.awt.event.*;
import java.io.*;
public class FileViewer extends Frame implements ActionListener{
     String directory;
     TextArea textarea;                                  //ÏÔʾÎı¾ÄÚÈݵĵط½
     public FileViewer(){
          this(null,null);
     }
     public FileViewer(String filename){
          this(null,filename);
     }
     public FileViewer(String directory,String filename){
          super();
          addWindowListener(
               new WindowAdapter(){
                    public void WindowClosing(WindowEvent e){
                         dispose();
                    }
               }
          );
          //Create TextArea
          textarea = new TextArea("",24,80);
          textarea.setFont(new Fo


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       JavaÖеÄpackage¸ÅÄîÏ൱ÓÚC++ÖеÄnamespaceµÄ¸ÅÄî¡£µ«ÊÇjava»á°ÑpackageµÄÃû×ÖºÍÎļþϵͳÖÐĿ¼½á¹¹¶ÔÓ¦ÆðÀ´£¬Ò²¼´Èç¹ûÄãÉêÃ÷ÁËij¸öpackageµÄÃû×ÖΪcom.tij.everythingisobj£¬ÄÇôÄãµÄÎļþϵͳÖбØÐë´´½¨com\tij\everythingisobjÕâÑùÒ»¸ö ......

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package JFFileEncrypt;
import java.security.Key;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import javax.crypto.KeyGenerator;
import javax.crypto.spec.SecretKeySpec;
/**
 * ¹¦ÄÜ£º¶ÔÎļþ¼ÓÃܽâÃܲÙ×÷
 * @author jiangfeng
 *
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Java Reflection (JAVA·´Éä) Ïê½â

 
    JavaÓïÑÔ·´ÉäÌṩһÖÖ¶¯Ì¬Á´½Ó³ÌÐò×é¼þµÄ¶à¹¦ÄÜ·½·¨¡£ËüÔÊÐí³ÌÐò´´½¨ºÍ¿ØÖÆÈκÎÀàµÄ¶ÔÏó(¸ù¾Ý°²È«ÐÔÏÞÖÆ)£¬ÎÞÐèÌáǰӲ±àÂëÄ¿±êÀà¡£ÕâÐ©ÌØÐÔʹµÃ·´ÉäÌØ±ðÊÊÓÃÓÚ´´½¨ÒԷdz£ÆÕͨµÄ·½Ê½Óë¶ÔÏóЭ×÷µÄ¿â¡£ÀýÈ磬·´Éä¾­³£ÔÚ³ÖÐø´æ´¢¶ÔÏóΪÊý¾Ý¿â¡¢XML»òÆäËüÍⲿ¸ñʽµÄ¿ò¼ÜÖÐʹÓá£Java reflection ·Ç³£ ......

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Java ==Óëequals()µÄÇø±ð

 ÎÒÃÇÀ´½éÉÜһϠ£½£½ºÍequals()µÄÇø±ð£¬£½£½ÊÇÏàµÈ£¬equals()Ò²ÊÇÏàµÈ¡£ÕâÁ½¸ö´ÊµÄÇø±ðÊÇÊ²Ã´ÄØ£¿ÕâÊÇÕÒ¹¤×÷ʱºÜ¶àÃæÊÔ¹ÙµÄÎÊÌâ¡£ÎÒÃÇÀ´½â´ðһϡ£Ê×ÏÈÎÒÃÇ¿´Õâô¸öÀý×Ó¡£Êµ¼ù£º
public class TestEquals {
public static void main(String[] args) {
MyDate date1 = new MyDate(14, 3, 1976);
MyDate date2 = ne ......
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