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java¶ÁÎļþ

import java.io.*;
public class FileReaderSample {
  public static void main(String args[]) throws IOException
  {
    // ½¨Á¢¿ÉÈÝÄÉ1024¸ö×Ö·ûµÄÊý×é
    char data[]=new char[1024];
    // ½¨Á¢¶ÔÏófr
    FileReader fr=new FileReader("c:\\Java\\donkey.txt");
    // ½«Êý¾Ý¶ÁÈë×Ö·ûÁбídataÄÚ
    int num=fr.read(data);
    // ½«×Ö·ûÁбíת»»³É×Ö·û´®
    String str=new String(data,0,num);
    // Êä³öÔÚ¿ØÖÆÌ¨
    System.out.println("Characters read= "+num);
    System.out.println(str);
    fr.close();
  }
}
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    FileReader fr = null;
    BufferedReader brd = null;
    fr = new FileReader("c:\\h\\test.xml");
    brd = new BufferedReader( fr );//×Ö·ûÁ÷ûÓÐÉèÖñàÂë¡£¡£¡£¡£¡£
    while (brd.readLine() != null {
        String fileline = brd.readLine();
        out.println(fileline);
    }


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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" ......

JavaʵÏÖÀûÓÃËÑË÷ÒýÇæÊÕ¼¯ÍøÖ·µÄ³ÌÐò

¡¡¡¡ÔõôÈóÌÐòÀûÓÃËÑË÷ÒýÇæÀ´ËѼ¯ÍøÖ·£¬ÕâÓÐʲôÓÃ?ºÜÓÐÓÃ!ÍøÉ϶¯éüÓÐÈ˽ÐÂôÍøÖ·Êý¾Ý¿â£¬Èç·¢²¼Èí¼þÍøÖ·¡¢ÓʼþµØÖ·¡¢ÂÛÌ³ÍøÖ·¡¢ÐÐÒµÍøÖ·£¬ÕâÐ©ÍøÖ·ÊÇÔõôÀ´µÄÄØ?²»¿ÉÄÜÊÇÈËÊÖ¹¤ÊÕ¼¯¶øÀ´µÄ£¬¶¼ÊÇÈóÌÐòÀûÓÃËÑË÷ÒýÇæÈ¡µ½µÄ£¬Èç¹ûÄúÐèҪijÀàÍøÖ·ÐÅÏ¢Êý¾Ý£¬¾Í¸ú³É¶¼ÀÊÎÖ½ÌÓýÀ´Ò»ÆðÑо¿Ò»Ï£¬·Ç³£¼òµ¥¡£
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java ²å¼þ¼ÓÔØ

package tao.hai.bing;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
public class LoadJar {
 public static void main(String[] args)
 {
  Syst ......

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×î½üÓõ½Java¶¯Ì¬Éú³É±³¾°Í¸Ã÷µÄͼƬ¹¦ÄÜ£¬´ÓgifºÍpngÖÐÑ¡ÔñÁËpng¸ñʽ£¬¸öÖÐÔµÓɾͲ»ËµÁË£¬ÓÚÊǶ¯ÊÖµ½ÍøÉÏËÑË÷ÓÐÓõĴúÂë¡£ÏÖ°ÑËÑË÷½á¹û×ܽáÈçÏ£º
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int width = 400;
int height = 300;
// ´´½¨BufferedImage¶ÔÏó
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2¡¢ÃüÁ±ØÐëÊìϤJDK´øµÄһЩ³£Óà ......
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