Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

java ÕýÔò±í´ïʽ¹¤¾ßÀà

//ʹÓÃabstractÄ¿µÄÊÇΪÁËÈÃʹÓÃÕßÖ»Äܵ÷ÓÃgetInstance»ñȡʵÀý
public abstract class RegexUtil {
public static void main(String[] args) {
RegexUtil ru = RegexUtil.getInstance();
String regexp = "(\\d+.\\d+.\\d+.\\d+):(\\d+)";
String data = "ldap://192.168.16.152:389/";
System.out.println(">>>" + ru.matchGroup(regexp, data).size());
}
public List<String> matchGroup(String regexp, String data) {
Pattern p = Pattern.compile(regexp);
Matcher matcher = p.matcher(data);
List<String> list = null;
while (matcher.find()) {
int length = matcher.groupCount();
list = new java.util.ArrayList<String>(length);
for (int i = 1; i < length + 1; i++) {
list.add(matcher.group(i));
}
}
return list;
}
private static RegexUtil ru = null;
//µ¥Ì«Ä£Ê½
public static RegexUtil getInstance() {
if (ru == null) {
ru = new RegexUtil() {
};
}
return ru;
}
}


Ïà¹ØÎĵµ£º

JavaÖм¯ºÏÈÝÆ÷ÀàListºÍSetµÄÓ÷¨

ListµÄÓ÷¨
List°üÀ¨List½Ó¿ÚÒÔ¼°List½Ó¿ÚµÄËùÓÐʵÏÖÀà¡£ÒòΪList½Ó¿ÚʵÏÖÁËCollection½Ó¿Ú£¬ËùÒÔList½Ó¿ÚÓµÓÐCollection½Ó¿ÚÌṩµÄËùÓг£Ó÷½·¨£¬ÓÖÒòΪListÊÇÁбíÀàÐÍ£¬ËùÒÔList½Ó¿Ú»¹ÌṩÁËһЩÊʺÏÓÚ×ÔÉíµÄ³£Ó÷½·¨£¬Èç±í1Ëùʾ¡£
±í1  List½Ó¿Ú¶¨ÒåµÄ³£Ó÷½·¨¼°¹¦ÄÜ
´Ó±í1¿ÉÒÔ¿´³ö£¬List½Ó¿ÚÌṩµÄÊʺÏÓÚ×ÔÉíµÄ ......

Java½â»ó3 33Ñ­»·ÕßÓöµ½ÁËÀÇÈË

ÇëÌṩһ¸ö¶ÔiµÄÉùÃ÷£¬½«ÏÂÃæµÄÑ­»·×ª±äΪһ¸öÎÞÏÞÑ­»·¡£Õâ¸öÑ­»·²»ÐèҪʹÓÃÈκÎ5.0°æµÄÌØÐÔ£º
while (i != 0 && i == -i) {
}
ÕâÈÔÈ»ÊÇÒ»¸öÑ­»·¡£ÔÚ²¼¶û±í´ïʽ(i != 0 && i == -i)ÖУ¬Ò»Ôª¼õºÅ²Ù×÷·û×÷ÓÃÓÚi£¬ÕâÒâζ×ÅËüµÄÀàÐͱØÐëÊÇÊý×ÖÐ͵ģºÒ»Ôª¼õºÅ²Ù×÷·û×÷ÓÃÓÚÒ»¸ö·ÇÊý×ÖÐͲÙ×÷ÊýÊÇ·Ç·¨µÄ¡£Òò´Ë£ ......

Java Timer ¶ÔÏó´´½¨ºóʹÓÃTimer¸ü¸ÄÆäÊôÐÔ!!!

Ê×ÏÈÀ´¸ö¼òµ¥ÄǵÄʵÀý:
package cn.vicky;
import java.util.Timer;
import java.util.TimerTask;
public class MyTimer {

private int i = 1;

private void change(long time){
System.out.println("one : " + i);
final Timer timer = new Timer();
timer.schedule(new TimerTask(){
@Overrid ......

JavaÃæÏò¶ÔÏó±à³Ì˼Ïë µÚÒ»ÕÂ

µÚÒ»Õ              ¸ÅÊö
°æÈ¨ÉùÃ÷
´ËÎĵµÓɱ¾È˸ºÔðÕûÀí×ܽᣬ²¢¶Ô¸ÃÎĵµ±£ÓÐÓÐÏÞÔðÈÎȨÀû£¬´ËÎĵµÖ»ÄÜÓÃÓÚѧϰÒÔ¼°½Ìѧ£¬ÇëÎðÓÃ×÷ÉÌÒµÓÃ;£¬Òò´Ë¶ø
²úÉúµÄ·¨ÂÉÎÊÌ⣬±¾ÈËÒ»¸Å²»¸ºÔð¡£ ±¾ÈËÉùÃ÷£¬´ËÎĵµ×ÊÁÏΪ±¾È˽Ìѧ¾­ÑéºÍÍøÂç×ÊÁÏÊÕ¼¯ºÏ²¢Ö®³É¹û ......

Java·´Éä»úÖÆ£¨×ª£©

Java·´Éä»úÖÆ
ÕªÒª
Reflection ÊÇJava±»ÊÓΪ¶¯Ì¬£¨»ò×¼¶¯Ì¬£©ÓïÑÔµÄÒ»¸ö¹Ø¼üÐÔÖÊ¡£Õâ¸ö»úÖÆÔÊÐí³ÌÐòÔÚÔËÐÐʱ͸¹ýReflection APIsÈ¡µÃÈκÎÒ»¸öÒÑÖªÃû³ÆµÄclassµÄÄÚ²¿ÐÅÏ¢£¬°üÀ¨Æämodifiers£¨ÖîÈçpublic, static µÈµÈ£©¡¢superclass£¨ÀýÈçObject£©¡¢ÊµÏÖÖ®interfaces£¨ÀýÈçCloneable£©£¬Ò²°üÀ¨fieldsºÍmethodsµÄËùÓÐÐÅÏ¢£¬² ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ