检查HashSet和指定的集合是否在C#中共享公共元素
要检查HashSet和指定的集合是否共享一个公共元素,C#代码如下-
示例
using System;using System.Collections.Generic;
public class Demo {
public static void Main(){
HashSet<int> set1 = new HashSet<int>();
set1.Add(25);
set1.Add(50);
set1.Add(75);
set1.Add(100);
set1.Add(125);
set1.Add(150);
Console.WriteLine("Elements in HashSet1");
foreach(int val in set1){
Console.WriteLine(val);
}
HashSet<int> set2 = new HashSet<int>();
set2.Add(30);
set2.Add(60);
set2.Add(100);
set2.Add(150);
set2.Add(200);
set2.Add(250);
Console.WriteLine("Elements in HashSet2");
foreach(int val in set2){
Console.WriteLine(val);
}
Console.WriteLine("Do they share common elements? "+set1.Overlaps(set2));
}
}
输出结果
这将产生以下输出-
Elements in HashSet125
50
75
100
125
150
Elements in HashSet2
30
60
100
150
200
250
Do they share common elements? True
示例
现在让我们来看另一个示例-
using System;using System.Collections.Generic;
public class Demo {
public static void Main(){
HashSet<String> set1 = new HashSet<String>();
set1.Add("Nathan");
set1.Add("Tim");
set1.Add("Tom");
set1.Add("Jack");
set1.Add("Steve");
set1.Add("David");
Console.WriteLine("Elements in HashSet1");
foreach(string val in set1){
Console.WriteLine(val);
}
HashSet<String> set2 = new HashSet<String>();
set2.Add("Tom");
set2.Add("Jack");
set2.Add("Kevin");
Console.WriteLine("Elements in HashSet2");
foreach(string val in set2){
Console.WriteLine(val);
}
Console.WriteLine("Do they share common elements? "+set1.Overlaps(set2));
}
}
输出结果
这将产生以下输出-
Elements in HashSet1Nathan
Tim
Tom
Jack
Steve
David
Elements in HashSet2
Tom
Jack
Kevin
Do they share common elements? True
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