首先,设置两个字典-
Dictionary < string, int > dict1 = new Dictionary < string, int > (); dict1.Add("water", 1); dict1.Add("food", 2); Dictionary < string, int > dict2 = new Dictionary < string, int > (); dict2.Add("clothing", 3); dict2.Add("shelter", 4);
现在,创建HashSet并使用UnionsWith()
method查找以上两个Dictionary之间的联合-
HashSet < string > hSet = new HashSet < string > (dict1.Keys); hSet.UnionWith(dict2.Keys);
以下是完整的代码-
using System; using System.Collections.Generic; public class Program { public static void Main() { Dictionary < string, int > dict1 = new Dictionary < string, int > (); dict1.Add("water", 1); dict1.Add("food", 2); Dictionary < string, int > dict2 = new Dictionary < string, int > (); dict2.Add("clothing", 3); dict2.Add("shelter", 4); HashSet < string > hSet = new HashSet < string > (dict1.Keys); hSet.UnionWith(dict2.Keys); Console.WriteLine("Union of Dictionary..."); foreach(string val in hSet) { Console.WriteLine(val); } } }
输出结果
Union of Dictionary... water food clothing shelter