如何遍历Map对象获取值?
我有一个Map对象,在不知道其键的情况下,如何遍历这个Map对象取得所有的值?

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Iterator iterator=map.keySet().iterator();
while(iterator.hasNext()){
Object key=iterator.next();
Object value=map.get(key);
System.out.println(key+ "-- "+value);
}
先获取key值的集合，再根据key一一获取value
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楼上完全正确。
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没错呀,这种东东,看看API就成了,不要出来问啊,呵呵.


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------解决方案--------------------
for (Iterator it = map.entrySet().iterator(); it.hasNext();) {
Map.Entry entry = (Map.Entry)it.next();
System.out.println(entry.getKey() + " = " + entry.getValue());
}
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接分
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for(Map.Entry <String, String> entry : map.entrySet()) {
　　System.out.println(entry.getKey() + " ==> " + entry.getValue());
}
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接分
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首先，bao110908(长牙了，好痛)的方法更好。
另外，忘了Map是否有values方法了，如果有的话，那么这个方法返回的集合就是你想要的集合。