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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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result love(boy, girl) ­
{ ­
    if( boy.Óз¿() and boy.Óгµ() ) ­
    { ­
        boy.set(nothing); ­
        return girl.¼Þ¸ø(boy); ­
  &n ......

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 Ḭ̈߳²È«

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java¶ÔÏóequals·½·¨µÄÖØÐ´

    ¼ÇµÃ´óѧ±ÏÒµÕÒ¹¤×÷ʱ£¬Ãæ¹Ù¾­³£ÎʵľÍÊÇ˵˵“==Óëequals”µÄÇø±ð£¬ºúÂÒ´ðһͨ¡£½ñÌì¿´Ò»ÏÂÔ­Àí°É¡£
ʲôʱºòÐèÒªÖØÐ´equals()?
¡¡¡¡ÎÒÃÇÖªµÀÿһ¸öjavaÀà¶¼¼Ì³Ð×ÔObjectÀ࣬equals()ÊÇObjectÀàÖÐÌṩµÄ·½·¨Ö®Ò»¡£ÄÇô£¬ÈÃÎÒÃÇÏÈÀ´¿´¿´Object#equals()ÔÚJavaÖеÄÔ­´úÂ룺
public boolea ......
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