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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 ......

Àí½âJava ClassLoader»úÖÆ

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       bootstrap classloader
                |
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            &n ......

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