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/*¶Ô´«ÈëµÄÏòÁ¿½øÐÐÅÅÐò(°´ÕÕ²ÎÓëÕßÐÕÃûÅÅÐò)*/ public Vector[] Sort(Vector vtID, Vector vtName) {
Vector[] vt = {vtID, vtName};
String exChangeID = null;
String exChangeName = null;
//Comparator cmp = Collator.getInstance(java.util.Locale.CHINA);
//Arrays.sort(vtName, cmp);
//Collator.getInstance(Locale.CHINESE)
String exChange1=null;
String exChange2=null;
for(int i=0;i


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import java.io.*;
class FileTest
{
 public static void main(String[] args) throws Exception
 {
  //File f=new File("1.txt");
  //f.createNewFile();
  //f.mkdir();
  //File f=new File("E:\\JavaLesson\\Lesson7\\1.txt");//ÔÚWindowsϵͳÏÂ,Óþø¶Ô ......

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class Animal{}
class Fish extends Aniaml{}
 super.(¸¸ÀàÖÐÓë×ÓÀàÏàͬµÄ·½·¨£©();//super-ÌØÊâµÄ±äÁ¿£¬ÓÃÓÚ·ÃÎʸ¸ÀàÖÐÓë×ÓÀàÏàͬµÄ·½·¨£¬ÈçÏÂ
//¸¸Àà
class Fish extends animal
{
 void output()
 {
  System.out.println("Fish");
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JavaÁ¬½ÓSQLiteÊý¾Ý¿âÏê½â ÏÂÔØSQLiteÊý¾Ý¿âµÄJDBC ÕâÀï¸ø³öÒ»¸öÖÐÎÄÕ¾µãµÄURL: ÉèÖû·¾³±äÁ¿£º ½«ÏÂÔص½µÄ°ü½âѹºóµÃµ½jar°ü sqlitejdbc-v033-nested.jar ·Åµ½%JAVA_HOME%\lib Ï£¬²¢ÇÒ½«ÆäÌí¼Óµ½classpathϵͳ»·¾³±äÁ¿ÖÐ,ÎÒµÄclasspathϵͳ»·¾³±äÁ¿ÏÖÔÚΪ: .;%JAVA_HOME%\lib;%JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\li ......

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1¡¢ÀûÓÃSystem.getProperty()º¯Êý»ñÈ¡µ±Ç°Â·¾¶£º
System.out.println(System.getProperty("user.dir"));//user.dirÖ¸¶¨Á˵±Ç°µÄ·¾¶
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File directory = new File("");//É趨Ϊµ±Ç°Îļþ¼Ð
try{
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