Java³ÌÐòÐÞ¸ÄÎļþÃû
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¸ÄǰÎļþÃû³ÆÊÇ£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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# 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 ......
ÓÉÓÚJDKÊǹú¼Ê°æµÄ£¬ÔÚ±àÒëµÄʱºò£¬Èç¹ûÎÒÃÇûÓÐÓÃ-encoding²ÎÊýÖ¸¶¨ÎÒÃǵÄJAVAÔ´³ÌÐòµÄ±àÂë¸ñʽ£¬Ôòjavac.exeÊ×ÏÈ»ñµÃÎÒÃDzÙ×÷ϵͳĬÈϲÉÓõıàÂë¸ñʽ£¬Ò²¼´ÔÚ±àÒëjava³ÌÐòʱ£¬ÈôÎÒÃDz»Ö¸¶¨Ô´³ÌÐòÎļþµÄ±àÂë¸ñʽ£¬JDKÊ×ÏÈ»ñµÃ²Ù×÷ϵͳµÄfile.encoding²ÎÊý(Ëü±£´æµÄ¾ÍÊDzÙ×÷ϵͳĬÈϵıàÂë¸ñʽ£¬ÈçWIN2k£¬ËüµÄֵΪGBK)£¬È»º ......
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" ......
¹ØÓÚJavaÉú³É±³¾°Í¸Ã÷µÄpngͼƬ
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1. Éú³ÉpngͼƬ
int width = 400;
int height = 300;
// ´´½¨BufferedImage¶ÔÏó
BufferedImage&nb ......