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package script;
import java.io.File;
import java.io.IOException;
public class Realname {
 public static void main(String[] args) throws IOException
 {
 
  File oldFile = new File("d:/PMS");
  if(!oldFile.exists())
  {
   oldFile.createNewFile();
  }
  System.out.println("ÐÞ¸ÄÇ°ÎļþÃû³ÆÊÇ£º"+oldFile.getName());
  String rootPath = oldFile.getParent();
  System.out.println("¸ù·¾¶ÊÇ£º"+rootPath);
  File newFile = new File(rootPath + File.separator + "PMSTmp");
  System.out.println("Ð޸ĺóÎļþÃû³ÆÊÇ£º"+newFile.getName());
  if (oldFile.renameTo(newFile))
  {
   System.out.println("Ð޸ijɹ¦!");
  }
  else
  {
   System.out.println("ÐÞ¸Äʧ°Ü");
  }
 }
}


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Javaͳ¼Æ´Ó1970Äê1ÔÂ1ÈÕÆðµÄºÁÃëµÄÊýÁ¿±íʾÈÕÆÚ¡£Ò²¾ÍÊÇ˵£¬ÀýÈ磬1970Äê1ÔÂ2ÈÕ£¬ÊÇÔÚ1ÔÂ1ÈÕºóµÄ86£¬400£ ......

java web¹ýÂËÆ÷

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<filter>¹ýÂËÆ÷ÔªËؽ«Ò»¸öÃû×ÖºÍʵÏÖjavax.servlet.FilterµÄ½Ó¿ÚµÄÀàÏà¹ØÁª¡£
 1 н¨Ò»¸öÀà Encoding Filter   
package cn.bupt.duming.util;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.se ......

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     Èç¹û°²×°JDKʱÌáʾÒѾ­°²×°ÁËJDK£¨»òÕß°²×°µÄ°æ±¾²»ÊÇÄãÏëÒªµÄ£©£¬É¾³ýµÄ·½·¨ÈçÏ£º
    # yum -y remove java-1.4.2-gcj-compat
1.°²×°JDK
Ê×ÏÈÐèÒª´ÓÍøÉÏÏÂÔØJDK°²×°Îļþ£¬Èç¹ûÎļþµÄÀàÐÍÊÇrpm.bin£¬¿ÉÒÔʹÓÃÏÂÃæµÄÃüÁî°²×°£º
# sh jdk-6u2-linux-i586-rpm.bin
Èç¹ûÎÄ ......

java±àÂë2

String str = "ÖÐ";
 
 
  String str1 = new String(str.getBytes("gbk"), "ISO8859-1");
  String str2 = new String(str1.getBytes("ISO8859-1"), "gbk");
  System.out.println(str2);  //Êä³ö"ÖÐ" ......

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1. Éú³ÉpngͼƬ
int width = 400;
int height = 300;
// ´´½¨BufferedImage¶ÔÏó
BufferedImage&nb ......
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