Last Updated : 11 Jul, 2025
This method is used to remove all key/value pairs from the
SortedDictionary<TKey, TValue>.
Syntax:public void Clear ();
Below are the programs to illustrate the use of the above-discussed method:
Example 1: csharp
// C# code to remove all pairs
// from SortedDictionary
using System;
using System.Collections.Generic;
class GFG {
// Driver code
public static void Main()
{
// Create a new dictionary of
// strings, with string keys.
SortedDictionary<string, string> myDict =
new SortedDictionary<string, string>();
// Adding key/value pairs in myDict
myDict.Add("Australia", "Canberra");
myDict.Add("Belgium", "Brussels");
myDict.Add("Netherlands", "Amsterdam");
myDict.Add("China", "Beijing");
myDict.Add("Russia", "Moscow");
myDict.Add("India", "New Delhi");
// To get count of key/value pairs in myDict
Console.WriteLine("Total key/value pairs "
+ "in myDict are : " + myDict.Count);
// Remove all pairs from the Dictionary
myDict.Clear();
Console.WriteLine("After clear operation");
// To get count of key/value pairs in myDict
Console.WriteLine("Total key/value pairs in"
+ " myDict are : " + myDict.Count);
}
}
Output:
Total key/value pairs in myDict are : 6 After clear operation Total key/value pairs in myDict are : 0Example 2: csharp
// C# code to remove all pairs
// from SortedDictionary
using System;
using System.Collections.Generic;
class GFG {
// Driver code
public static void Main()
{
// Create a new SortedDictionary of
// int, with int keys.
SortedDictionary<int, int> myDict =
new SortedDictionary<int, int>();
// Adding key/value pairs in myDict
myDict.Add(9, 8);
myDict.Add(3, 4);
myDict.Add(4, 7);
myDict.Add(1, 7);
// To get count of key/value pairs in myDict
Console.WriteLine("Total key/value pairs "
+ "in myDict are : " + myDict.Count);
// Remove all pairs from the Dictionary
myDict.Clear();
Console.WriteLine("After clear operation");
// To get count of key/value pairs in myDict
Console.WriteLine("Total key/value pairs"
+ " in myDict are : " + myDict.Count);
}
}
Output:
Total key/value pairs in myDict are : 4 After clear operation Total key/value pairs in myDict are : 0Reference:
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