Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

javaÖÐPropertiesÀàµÄʹÓÃ

ÔÚjava.util °üÏÂÃæÓÐÒ»¸öÀà Properties£¬¸ÃÀàÖ÷ÒªÓÃÓÚ¶ÁÈ¡ÒÔÏîÄ¿µÄÅäÖÃÎļþ£¨ÒÔ£®properties½áβµÄÎļþºÍxmlÎļþ£©¡£
PropertiesµÄ¹¹Ô캯ÊýÓÐÁ½¸ö£¬Ò»¸ö²»´ø²ÎÊý£¬Ò»¸öʹÓÃÒ»¸öProperties¶ÔÏó×÷Ϊ²ÎÊý¡£
ʹÓÃProperties¶ÁÈ¡£®propertiesÎļþ
test.propertiesÎļþÈçÏ£º
#²âÊÔ»·¾³ÅäÖãºÆ½Ì¨Â·¾¶ÅäÖÃ
jstrd_home=D:/TMS2006/webapp/tms2006/WEB-INF/
dbPort = localhost
databaseName = mydb
dbUserName = root
dbPassword = root
# ÒÔÏÂΪÊý¾Ý¿â±íÐÅÏ¢
dbTable = mytable
# ÒÔÏÂΪ·þÎñÆ÷ÐÅÏ¢
ip = 192.168.0.9
¶ÁÈ¡test.propertiesµÄ·½·¨ÈçÏ£º
impor java.io.*;
import java.util.*;
public class ReadProperties
{
public static void main(String[] args) {
File pFile = new File("e:\\test.properties");    // propertiesÎļþ·ÅÔÚeÅÌÏ£¨windows£©
              FileInputStream   pInStream=null;
          try {
                    pInStream = new FileInputStream(pFile );
                } catch (FileNotFoundException e) {
                    e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
                }
         Properties p = new Properties();
          try {
                    p .load(pInStream );       //Properties ¶ÔÏóÒÑÉú³É£¬°üÀ¨ÎļþÖеÄÊý¾Ý
                } catch (IOException e) {


Ïà¹ØÎĵµ£º

´«ÖDz¥¿ÍJAVAÅàѵ ¸æËßÄãandroidµÄÇ°ÊÀ½ñÉú


   AndroidÊÇ»ùÓÚLinuxÄں˵IJÙ×÷ϵͳ£¬ÔçÆÚÓÉGoogle¿ª·¢£¬ºóÓÉ¿ª·ÅÊÖ»úÁªÃË¿ª·¢¡£Ëü²ÉÓÃÁËÈí¼þ¶Ñ²ãAndroidÆì½¢ÊÖ»ú  ĦÍÐÂÞÀ­XT702µÄ¼Ü¹¹£¬Ö÷Òª·ÖΪÈý²¿·Ö¡£µ×²ãÒÔLinuxÄں˹¤×÷Ϊ»ù´¡£¬Ö»Ìṩ»ù±¾¹¦ÄÜ£»ÆäËûµÄÓ¦ÓÃÈí¼þÔòÓɸ÷¹«Ë¾×ÔÐпª·¢£¬ÒÔJava×÷Ϊ±àд³ÌÐòµÄÒ»²¿·Ö¡£ÁíÍ⣬ΪÁËÍƹã´Ë¼¼Êõ£¬GoogleºÍÆ ......

´«ÖDz¥¿ÍJAVAÅàѵ AndroidÊé¼®·ÖÏí


ÔÚÕâÀォÎÒÊÕ¼¯µÄһЩÊé¼®£¬Óë´ó¼Ò·ÖÏí
1¡¢½éÉÜAndroid Óë GPhoneµÄÊé¼®
Introduction To Android
Google¹Ù·½Îĵµ£¬¼òÒªµÄ½éÉÜÁËAndroidµÄ¸÷¸ö·½Ã棬ֵµÃ´ó¼Ò¿´ÏÂ
GPhone˵Ã÷Êé
ÊÇÿ¸ö¿ª·¢ÈËÔ±±ØÐëÔĶÁµÄ£¬¹ØÓÚGPhoneµÄʹÓᢹ¦ÄÜ£¬½áºÏSDK¿´Ïë±ØÊÕ»ñ»á¸ü´ó
2¡¢¾­µä¿ª·¢Êé¼®
ÉîÈëdz³öAndroid–GoogleÊÖ³ÖÉ豸 ......

javaתÒå×Ö·û


JAVAÖÐתÒå×Ö·û£º 
1.°Ë½øÖÆתÒåÐòÁУº\ + 1µ½3λ5Êý×Ö£»·¶Î§'\000'~'\377' 
      \0£º¿Õ×Ö·û 
2.UnicodeתÒå×Ö·û£º\u + ËĸöÊ®Áù½øÖÆÊý×Ö£»0~65535 
     \u0000£º¿Õ×Ö·û 
3.ÌØÊâ×Ö·û£º¾Í3¸ö 
      \"£ºË ......

Java±ÊÊÔÃæÊÔÌâ


1¡¢Êý¾Ý¿âÐÔÄÜÓÅ»¯ÓÐÄÇЩ´ëÊ©£¨ORACLE/SYBASE/DB2/SQLSERVERÑ¡Ò»ÖÖ£©2¡¢Ð´Ò»¸ö³ÌÐò£¬°Ñ×Ö·û´®µ¹Ðð£¬ÒªÇó“ÄãºÃѽ”±äΪ“ѽºÃÄ㔣¨´¦ÀíÖÐÎÄ£©3¡¢Ãû´Î½âÊÍ£¨¼Ì³Ð¡¢ÖØÔØ¡¢½Ó¿Ú£©4¡¢JAVAÏß³ÌʵÏÖÓÐÄÇЩ·½·¨£¬ËµÃ÷Ö®5¡¢JAVAÄÚ´æÒÅ©ʲôԭÒò6¡¢´ÓÏîÄ¿¹ÜÀí½Ç¶È·ÖÎöÐèÇó±ä¶¯µÄ¿ØÖÆ7¡¢JAVA SERVLETµÄÉ ......

java Map ±éÀú·½·¨

µÚÒ»ÖÖ:ЧÂʸß
Map map = new HashMap();
Iterator iter = map.entrySet().iterator();
while (iter.hasNext()) {
Map.Entry entry = (Map.Entry) iter.next();
Object key = entry.getKey();
Object val = entry.getValue();
}
µÚ¶þÖÖ:ЧÂʵÍ,ÒÔºó¾¡Á¿ÉÙʹÓã¡
Map map = new HashMap();
......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ