C# | Check if two SortedList objects are equal

Last Updated : 17 Dec, 2018

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:

// 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)); 
    } 
} 

Output:

True

Example 2:

// 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));     
    } 
} 

Output:

False
True

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

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Kirti_Mangal

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