HashMap <String,String> hsMap=new HashMap<String,String>
hsMap.put("1","value")
Set<string> set=hsMap.keySet();//获取键值
Iterator <string> it=set.iterator();
while(it.hasNext()){
String str=it.next();
}
Collection<String> coll=hsMap.values();//获取数值
Iterator <String> it2=coll.iterator();
while(it2.hasNext()){
String str=it2.next();
}
转载于:https://www.cnblogs.com/bpdxqx/p/5756080.html
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