如何将地图转换为Java列表?
问题描述:
将地图< key,value>
转换为列表<值>
的最佳方法是什么?
What is the best way to convert a Map<key,value>
to a List<value>
? Just iterate over all values and insert them in a list or am I overlooking something?
答
List<Value> list = new ArrayList<Value>(map.values());
假设:
Map<Key,Value> map;