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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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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 reflection´úÂëʾÀý

package com.mywebtest.common;
import java.lang.reflect.Array;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
/**
 * Java reflection ·Ç³£ÓÐÓã¬ËüʹÀàºÍÊý¾Ý½á¹¹Äܰ´Ãû³Æ¶¯Ì¬¼ìË÷Ïà¹ØÐÅÏ¢£¬²¢ÔÊÐíÔÚÔËÐÐ× ......

JAVAÅÅÐòËã·¨£¨·ÇÔ­´´£©


JAVAÅÅÐòËã·¨£¨·ÇÔ­´´£©
package Sort;
class Data {
 Comparable key;
 Object value;
 public Data() {
 }
 
 public Data(Data data){
   this.key=data.key;
   this.value=data.value;
  ......

java split·Ö¸î×Ö·û´®×¢ÒâÊÂÏî

JavaÖеÄÎÒÃÇ¿ÉÒÔÀûÓÃsplit°Ñ×Ö·û´®°´ÕÕÖ¸¶¨µÄ·Ö¸î·û½øÐзָȻºó·µ»Ø×Ö·û´®Êý×飬ÏÂÃæÊÇstring.splitµÄÓ÷¨ÊµÀý¼°×¢ÒâÊÂÏ
java.lang.string.split
split ·½·¨
½«Ò»¸ö×Ö·û´®·Ö¸îΪ×Ó×Ö·û´®£¬È»ºó½«½á¹û×÷Ϊ×Ö·û´®Êý×é·µ»Ø¡£
stringObj.split([separator£¬[limit]]) Ãâ·Ñ×ÊÔ´ÊÕ¼¯Íø£¨http://www.freezq.cn£©
strin ......

java¶ÁдÎļþ_IO

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