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
ÏÖÔÚÊг¡ÉϵÄoa»ù±¾ÉϿɹé½áΪÁ½´óÕóÓª£¬¼´phpÕóÓªºÍjavaÕóÓª¡£µ«¶Ô½Ó´¥oa²»¾ÃµÄÓû§À´Ëµ£¬¿´µ½µÄÍùÍùÖ»ÊÇËüÃǵıíÏֻ࣬ÊÇÃ÷ÏԵļ۸ñ²îÒ죬ȴºÜÄÑ¿´³öËüÃÇÖ®¼äµÄʵ¼Ê²îÒì¡£Æäʵ£¬ PHP + MYSQL ²»ÖµÇ®²»½ö½ö¾ÖÏÞÓÚoaÈí¼þ£¬¶øÊÇÕûÌåÉÏPHP + MYSQL¿ª·¢µÄÈí¼þ¶¼²»Èçjava¿ª·¢µÄÈí¼þֵǮ¡£ÎªÊ²Ã´PHP + MYSQL µÄOAΪʲô²»ÖµÇ®Ä ......
ת £º http://jayzotion.javaeye.com/blog/404084
public class TestBinSearch {
/**
* @param args
*/
public ......
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 ......
1>CollectionµÄÓ÷¨£º
import java.util.*;
public class List1
{
public static void main(String []args)
{
String a="A";
String b="B";
String c="C";
Collection<String>list = new ArrayList<String>();
list.add ......