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Check if two List objects are equal in C#
To check if two List objects are equal, the code is as follows −
Example
using System;
using System.Collections.Generic;
public class Demo {
public static void Main(String[] args){
List<string> list1 = new List<string>();
list1.Add("One");
list1.Add("Two");
list1.Add("Three");
list1.Add("Four");
list1.Add("Five");
Console.WriteLine("Elements in List1...");
foreach (string res in list1){
Console.WriteLine(res);
}
List<string> list2 = new List<string>();
list2.Add("India");
list2.Add("US");
list2.Add("UK");
list2.Add("Canada");
list2.Add("Poland");
list2.Add("Netherlands");
Console.WriteLine("Elements in List2...");
foreach (string res in list2){
Console.WriteLine(res);
}
Console.WriteLine("Is List2 equal to List1? = "+list2.Equals(list1));
}
}Output
This will produce the following output −
Elements in List1... One Two Three Four Five Elements in List2... India US UK Canada Poland Netherlands Is List2 equal to List1? = False
Example
Let us see another example −
using System;
using System.Collections.Generic;
public class Demo {
public static void Main(String[] args){
List<string> list1 = new List<string>();
list1.Add("One");
list1.Add("Two");
list1.Add("Three");
list1.Add("Four");
list1.Add("Five");
Console.WriteLine("Elements in List1...");
foreach (string res in list1){
Console.WriteLine(res);
}
List<string> list2 = new List<string>();
list2.Add("India");
list2.Add("US");
list2.Add("UK");
list2.Add("Canada");
list2.Add("Poland");
list2.Add("Netherlands");
Console.WriteLine("Elements in List2...");
foreach (string res in list2){
Console.WriteLine(res);
}
List<string> list3 = new List<string>();
list3 = list2;
Console.WriteLine("Is List3 equals to List2? = "+list3.Equals(list2));
}
}Output
This will produce the following output −
Elements in List1... One Two Three Four Five Elements in List2... India US UK Canada Poland Netherlands Is List3 equals to List2? = True
Updated on: 06-Dec-2019
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