java遍历Map

//方法一
Set<String> keys = map.keySet();
for (String key:keys) {
   System.out.println(key+","+map.get(key));
}  

//方法二
Set<Map.Entry<String, String>> entryseSet=map.entrySet();
for (Map.Entry<String, String> entry:entryseSet) {
System.out.println(entry.getKey()+","+entry.getValue());
}