Question

How to check if 2 lists are identical in C#

Answer 1

using System;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static void Main() {
        List<string> list1 = new List<string>() { "A", "B", "C", "D", "A" };
        List<string> list2 = new List<string>() { "A", "B", "C", "D", "A" };
 
        bool result = list1.All(list2.Contains) && list2.All(list1.Contains);
 
        Console.WriteLine(result);
    }
}




/*
run:

True

*/

 

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Answer 2

using System;
using System.Linq;
using System.Collections.Generic;
 
class Program
{
    static void Main() {
        List<string> list1 = new List<string>() { "A", "B", "C", "D", "A" };
        List<string> list2 = new List<string>() { "A", "B", "C", "D", "A" };
  
        bool result = list1.SequenceEqual(list2);
  
        Console.WriteLine(result);
    }
}
 
 
 
 
/*
run:
 
True
 
*/

 

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