java StringTokenizerµÄÓ÷¨
StringTokenizer Õâ¸öÀàÆäÊµÕæÕýÏîÄ¿ÀïÃæ¿ÖźÜÉÙ»áÓðɣ¿µ«ÊÇÕâ¸öÀàÕæµÄºÜʵÓã¬ÒòΪËü¿ÉÒÔ¸ù¾Ý×Ô¼ºµÄ·½Ê½°´ÕÕÒ»¶¨µÄ¹æÔòÀ´²ð·ÖÒ»¸ö×Ö·û´®
String s = new String("The Java platform is the ideal platform for network computing");
//ĬÈϵĹ¹Ô캯Êý£¬»áĬÈϿոñÊÇ·Ö¸ô·û
StringTokenizer st = new StringTokenizer(s);
//¿ÉÒÔ¸ù¾Ý×Ô¼ºµÄ¹æÔòÀ´²ð·Ö×Ö·û´®£¬Ä¿Ç°µÄ¹æÔòÊÇÒÔ“l”µ±×÷·Ö¸ô·û
StringTokenizer st1 = new StringTokenizer(s,"l");
//ÕâÀïtrueµÄº¬ÒåÊǽ«“l”Ò²×÷Ϊһ¸ötoken£¬¶øÈç¹û²ÎÊýÌîÈëfalseµÄ»°Ôò²»½«“l”×÷Ϊtoken
StringTokenizer st2 = new StringTokenizer(s,"l",true);
System.out.println( "Token Total: " + st.countTokens() );
while(st.hasMoreElements()){
System.out.println(st.nextElement());
}
²»¹ýÔÚjdkÎĵµÖУ¬²¢²»ÌᳫÔÙʹÓÃStringTokenÀàÁË£¬ËüÖ»ÊÇ×÷Ϊһ¸öÒÅÁôÀà¶ø±£´æÔÚÁËjdkÖС£ÏÖÔÚÌᳫʹÓÃ
StringÀàµÄsplit·½·¨»òÕßÊÇjava.util.regex°ü¡£
ÏÂÃæ¾Í½«StringµÄsplit·½·¨Ð´ÁËÒ»µã´úÂ룺
public class aa {
public static void main(String args[])
{
String s="ÎÒÕâÖ»ÊÇϲ»¶.²»andÊǰ®";
//ÕâÀï±ØÐëʹÓÃ\\À´Ö¸Ã÷ÎÒÃÇʹÓÓ.”À´·Ö¸î×Ö·û´®¡£Èç¹ûÐèÒª½«Ò»¸ö×Ö·û´®Óò»Í¬µÄ×Ö·û·Ö¸îµÄ»°£¬¿ÉÒÔÓÓ£ü”×÷ΪÁ¬½Ó·û
String[] ss=s.split("\\.|and");
int i=0;
while(i<ss.length)
{
Ïà¹ØÎĵµ£º
ʹÓÃJava²Ù×÷Îı¾ÎļþµÄ·½·¨Ïê½â
ÕªÒª: ×î³õjavaÊDz»Ö§³Ö¶ÔÎı¾ÎļþµÄ´¦ÀíµÄ£¬ÎªÁËÃÖ²¹Õâ¸öȱº¶¶øÒýÈëÁËReaderºÍWriterÁ½¸öÀà
×î³õjavaÊDz»Ö§³Ö¶ÔÎı¾ÎļþµÄ´¦ÀíµÄ£¬ÎªÁËÃÖ²¹Õâ¸öȱº¶¶øÒýÈëÁËReaderºÍWriterÁ½¸öÀ࣬ÕâÁ½¸öÀà¶¼ÊdzéÏóÀ࣬WriterÖÐ write(char[] ch,int off,int
length)£¬flush()ºÍclose()·½·¨Îª³éÏó·½· ......
µÚÒ»ÖÖ:
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();
}
ЧÂʸß,ÒÔºóÒ»¶¨ÒªÊ¹ÓôËÖÖ·½Ê½£¡
µÚ¶þÖÖ:
Map map = new HashMap();
Iterator iter = ma ......
Java
ÐéÄâ»ú(JVM)ÊÇ¿ÉÔËÐÐJava
´úÂëµÄ¼ÙÏë¼ÆËã»ú¡£Ö»Òª¸ù¾ÝJVM¹æ¸ñÃèÊö½«½âÊÍÆ÷ÒÆÖ²µ½Ìض¨µÄ¼ÆËã»úÉÏ£¬¾ÍÄܱ£Ö¤¾¹ý±àÒëµÄÈκÎJava´úÂëÄܹ»ÔÚ¸ÃϵͳÉÏÔËÐС£±¾ÎÄÊ×ÏȼòÒª½éÉÜ´ÓJavaÎļþµÄ±àÒëµ½×îÖÕÖ´ÐеĹý³Ì£¬Ëæºó¶ÔJVM¹æ¸ñÃèÊö×÷һ˵Ã÷¡£
¡¡¡¡
¡¡¡¡Ò».JavaÔ´ÎļþµÄ±àÒë¡¢ÏÂÔØ
¡¢½âÊͺÍÖ´ÐÐ
¡¡¡¡JavaÓ¦ÓóÌÐòµÄ¿ª·¢ ......
ÏÂÃæÕâÆªÎÄÕÂÊÇ̨ÍåÖøÃûJavaÂÛ̳“Javaworld”µÄÒ»¸ö×ÊÉî°æÖ÷дµÄÒ»·â¶ÔJavaÐÂÊÖµÄÐÅ£¬Ï£ÍûС×é³ÉÔ±×Ðϸ¿´Ï Äã»áѧµ½ºÜ¶àµÄ¡¢¡¢¡¢¡¢
親愛µÄ java ÐÂÊÖ們 :
ºÜ¸ß興Äã們願Òâ來這裡¹²Í¬學習,
Java 這個語ÑÔ, Ò ......
Ï̳߳ØÀàΪ java.util.concurrent.ThreadPoolExecutor£¬³£Óù¹Ôì·½·¨Îª£º ThreadPoolExecutor(int corePoolSize, int maximumPoolSize,
long keepAliveTime, TimeUnit unit,
BlockingQueue<Runnable> workQueue,
RejectedExecutionHandler handler) corePoolSize£º Ï̳߳ØÎ¬»¤Ï̵߳Ä×îÉÙÊýÁ¿ ......