C# | Check if two LinkedList<T> objects are equal

Equals(Object) Method which is inherited from the Object class is used to check if a specified LinkedList<T> object is equal to another LinkedList<T> object or not.

Syntax:

public virtual bool Equals (object obj);

Here, obj is the object which is to be compared with the current object.

Return Value: This method return true if the specified object is equal to the current object otherwise it returns false.

Below programs illustrate the use of above-discussed method:

Example 1:

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// C# program to if a LinkedList object
// is equal to another LinkedList object
using System;
using System.Collections.Generic;
  
class Geeks {
  
    // Main Method
    public static void Main(String[] args)
    {
  
        // Creating a LinkedList of Strings
        LinkedList<String> myList1 = new LinkedList<String>();
  
        // Adding nodes in LinkedList
        myList1.AddLast("Geeks");
        myList1.AddLast("for");
        myList1.AddLast("Data Structures");
        myList1.AddLast("Noida");
  
        // Checking whether myList1 is
        // equal to itself or not
        Console.WriteLine(myList1.Equals(myList1));
    }
}

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Output:


True





Example 2:











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// C# program to if a LinkedList object 


// is equal to another LinkedList object 


using System; 


using System.Collections.Generic; 


  


class Geeks { 


  


    // Main Method 


    public static void Main(String[] args) 


    { 


  


        // Creating a LinkedList of Strings 


        LinkedList<String> myList1 = new LinkedList<String>(); 


  


        // Adding nodes in LinkedList 


        myList1.AddLast("C"); 


        myList1.AddLast("C++"); 


        myList1.AddLast("Java"); 


        myList1.AddLast("C#"); 


  


        // Creating a LinkedList of Integers 


        LinkedList<int> myList2 = new LinkedList<int>(); 


  


        // Adding nodes in LinkedList 


        myList2.AddLast(2); 


        myList2.AddLast(4); 


        myList2.AddLast(6); 


        myList2.AddLast(8); 


  


        // Checking whether myList1 is 


        // equal to myList2 or not 


        Console.WriteLine(myList1.Equals(myList2)); 


  


        // Creating a LinkedList of Integers 


        LinkedList<int> myList3 = new LinkedList<int>(); 


  


        // Assigning myList2 to myList3 


        myList3 = myList2; 


  


        // Checking whether myList3 is 


        // equal to myList2 or not 


        Console.WriteLine(myList3.Equals(myList2)); 


    } 


} 



















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Output:


False
True





Note: If the current instance is a reference type, the Equals(Object) method checks for reference equality.



          
          
          
          

            

    

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