C# | Check if two SortedList objects are equal

Equals(Object) Method which is inherited from the Object class is used to check whether the specified SortedList object is equal to another SortedList 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, false.

Below programs illustrate the use of above-discussed method:

Example 1:

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// C# program to if a SortedList
// is equal to another SortedList
using System;
using System.Collections;
  
class Geeks {
  
    // Main Method
    public static void Main(String[] args)
    {
  
        // Creating a sorted list of key/value pairs
        SortedList fslist = new SortedList();
  
        // Adding pairs to fslist
        fslist.Add("Maths ", 98);
        fslist.Add("English ", 99);
        fslist.Add("Physics ", 97);
        fslist.Add("Chemistry", 96);
        fslist.Add("CSE     ", 100);
  
        // Checking whether fslist is
        // equal to itself or not
        Console.WriteLine(fslist.Equals(fslist));
    }
}

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Output:

True

Example 2:

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// C# program to if a SortedList
// is equal to another SortedList
using System;
using System.Collections;
  
class Geeks {
  
    // Main Method
    public static void Main(String[] args)
    {
  
        // Creating a sorted list of key/value pairs
        SortedList fslist = new SortedList();
  
        // Adding pairs to fslist
        fslist.Add("Maths ", 98);
        fslist.Add("English ", 99);
        fslist.Add("Physics ", 97);
        fslist.Add("Chemistry", 96);
        fslist.Add("CSE     ", 100);
  
        // Creating an SortedList
        SortedList fslist2 = new SortedList();
  
        // Adding elements to SortedList
        fslist2.Add("1", "one");
        fslist2.Add("2", "two");
        fslist2.Add("3", "three");
        fslist2.Add("4", "four");
        fslist2.Add("5", "five");
  
        // Checking whether fslist is
        // equal to fslist2 or not
        Console.WriteLine(fslist.Equals(fslist2));
          
        // Creating a sorted list of key/value pairs
        SortedList fslist3 = new SortedList();
          
        // Assigning fslist2 to fslist3
        fslist3 = fslist2;
          
        // Checking whether fslist3 is
        // equal to fslist2 or not
        Console.WriteLine(fslist3.Equals(fslist2));    
    }
}

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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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