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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() ;
}


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 public static void replaceString(String a,String b,String c){
          System.out.println(a);
          String result = a.replaceAll("(?i)"+b, c); //´óСд²»Ãô¸Ð
 
      ......

JavaʵÏÖÕÛ°ë²éÕÒ(¶þ·Ö²éÕÒ)µÄµÝ¹éºÍ·ÇµÝ¹éËã·¨

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/**
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*˵Ã÷:
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*    2¡¢·ÇµÝ¹é²éÕÒʹÓÃsearch( ......

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 ÓëSOCKETͨѶ

ÏÈÀ´¿´¿´¿Í»§¶Î³ÌÐò±àдµÄÁ÷³Ì:
¡¡¡¡1¡¢ Ê×Ïȵ÷ÓÃSocketÀàµÄ¹¹Ô캯Êý£¬ÒÔ·þÎñÆ÷µÄÖ¸¶¨µÄIPµØÖ·»òÖ¸¶¨µÄÖ÷»úÃûºÍÖ¸¶¨µÄ¶Ë¿ÚºÅΪ²ÎÊý£¬´´½¨Ò»¸öSocketÁ÷£¬ÔÚ´´½¨SocketÁ÷µÄ¹ý³ÌÖаüº¬ÁËÏò·þÎñÆ÷ÇëÇó½¨Á¢Í¨Ñ¶Á¬½ÓµÄ¹ý³ÌʵÏÖ¡£
¡¡¡¡2¡¢ ½¨Á¢Á˿ͻ§¶ËͨѶSocketºó¡£¾Í¿ÉÒÔʹÓÃSocketµÄ·½·¨getInputStream()ºÍgetOutputStream() ......

Java¸ÃºÎÈ¥ºÎ´Ó ˼¿¼

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