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

Java ±éÀú Map

Map m = new HashMap();
for (Object o : map.keySet()){
map.get(o);
}

JDK1.4

Map map = new HashMap() ;

Iterator it = map.entrySet().iterator() ;
while (it.hasNext())
{
Map.Entry entry = (Map.Entry) it.next() ;
Object key = entry.getKey() ;
Object value = entry.getValue() ;
}


Ïà¹ØÎĵµ£º

java¶þ·Ö²éÕÒ

ת £º http://jayzotion.javaeye.com/blog/404084
public class TestBinSearch {   
  
    /**  
     * @param args  
     */  
    public  ......

java UnicodeÓëÖÐÎÄ»¥»»

static String string2Unicode(String s) {
try {
StringBuffer out = new StringBuffer("");
byte[] bytes = s.getBytes("unicode");
for (int i = 2; i < bytes.length - 1; i += 2) {
out.append("u");
String str = Integer.toHexString(bytes[i + 1] & 0xff);
f ......

java¶ÁдÎļþ_IO

        Ê¹ÓÃJava²Ù×÷Îı¾ÎļþµÄ·½·¨Ïê½â
        ÕªÒª: ×î³õjavaÊDz»Ö§³Ö¶ÔÎı¾ÎļþµÄ´¦ÀíµÄ£¬ÎªÁËÃÖ²¹Õâ¸öȱº¶¶øÒýÈëÁËReaderºÍWriterÁ½¸öÀà
×î³õjavaÊDz»Ö§³Ö¶ÔÎı¾ÎļþµÄ´¦ÀíµÄ£¬ÎªÁËÃÖ²¹Õâ¸öȱº¶¶øÒýÈëÁËReaderºÍWriterÁ½¸öÀ࣬ÕâÁ½¸öÀà¶¼ÊdzéÏ ......

Java¸ÃºÎÈ¥ºÎ´Ó ˼¿¼

TIOBEµÄ±à³ÌÓïÑÔÅÅÃû°ñ£¬Ïë±Ø´ó¼Ò¶¼·Ç³£ÊìϤ£¬Ã¿Ô·¢²¼È«Çò±à³ÌÓïÑÔµÄÈȶȺÍÇ÷ÊÆ¡£ÔÚËÄÔ·ݷ¢²¼µÄÊý¾ÝÖУ¬CÓïÑÔÖÕÓÚ³¬¹ýJava³ÉΪNo.1£¬µ«ÕæÕýÈÃÈ˵£Óǵ쬲¢²»ÊÇCµÄ¶á¹Ú£¬¶øÊÇJavaµÄ³ÖÐøÆ£Èõ£¬¸üÔã¸âµÄÊÇ£¬ËƺõûÓÐÄĸöÀÏ´óÕ¾³öÀ´Íì¾ÈÍÇÊÆ¡£
×÷ΪһÃûJava´ÓÒµÕߣ¬ÎÒÔÚÆóÒµÓ¦ÓÃÁìÓò×öÈí¼þ£¬´Ó¹¤×÷Öв¢Î´¸ÐÊܵ½JavaµÄµØÎ»ÓÐÊ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ