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");
}
}
}
Ïà¹ØÎĵµ£º
ÔÚSuse10.1ϰ²×°EOS5.3£¬½çÃæ°´Å¥·²ÖÐÎͼÊÇ·½¸ñ£¬¿ÉÔÚÖն˲鿴ÖÐÎͼÊǺõģ¬ÍøÉÏËÑÁ˺ü¸Ì죬ÖÕÓÚŪÃ÷°×ÔÒò¡£
EOS5.3ʹÓõÄÊÇjdk1.4.2£¬ÔÚsuseÏÂûÓÐjdkĬÈÏÒªÇóµÄÖÐÎÄ×ÖÌ壬ÐèÒª×ö¶îÍâµÄÅäÖã¬Ð޸ķ½·¨ÈçÏ£º
1.ʹÓÃsuÃüÁîÇл»ÎªrootÓû§£¬ÔÙʹÓÃcdÃüÁîÇл»µ½jdk°²×°Â·¾¶ÏµÄjre£»ÀýÈ磺
......
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" ......
¿ÉÄÜÓкܶàѧϰJavaµÄÅóÓÑ»¹²»ÖªµÀJavaµÄÔËÐÐÔÀí¡¢JavaÐéÄâ»úÊÇÔõô¹¤×÷µÄ£¬±¾ÎĽ«ÎªÄãÏêϸ½²½â(JVM)Java ÐéÄâ»ú¡£
¡¡¡¡ÔÚJavaÖÐÒýÈëÁËÐéÄâ»úµÄ¸ÅÄ¼´ÔÚ»úÆ÷ºÍ±àÒë³ÌÐòÖ®¼ä¼ÓÈëÁËÒ»²ã³éÏóµÄÐéÄâµÄ»úÆ÷¡£Õą̂ÐéÄâµÄ»úÆ÷ÔÚÈÎºÎÆ½Ì¨É϶¼Ìṩ¸ø±àÒë³ÌÐòÒ»¸öµÄ¹²Í¬µÄ½Ó¿Ú¡£±àÒë³ ......
1.
˳Ðò¿ØÖÆ
if
else
switch
¿ÉÒÔÓÃbyte,short,char,int×öΪ±í´ïʽÀàÐÍ
Ñ»·½á¹¹
while
do ...while
for
±êÇ©Ìø×ª£º
outer:
break outer;
outer:
continue outer;
2.Êý×éÀàÐÍ
Êý×éÒ²ÊÇÒ»ÖÖÊý¾ÝÀàÐÍ£¬Ëü±¾ÉíÊÇÒýÓÃÀàÐÍ¡£
¾²Ì¬³õʼ»¯£º³ÌÐòÔ±ÏÔʾָ¶¨³õʼֵ£¬ÏµÍ³¾ö¶¨³¤¶È¡£
¶¯Ì¬ ......