using System;

using System.Text;

public class Program

{

    public static void Main()

    {

        StringBuilder sb = new StringBuilder("Hi, Pirzada");

        Console.WriteLine(sb.Length); // Current Length is 11

​

        // Let’s decrease the StringBuilder length from 11 to 2.

        sb.Length = 2;

​

        // If the target length is less than the StringBuilder’s total number of characters, the contents are truncated to adjust the target length. 

        Console.WriteLine(sb.Length); // Now Current Length is 2

        Console.WriteLine(sb.ToString()); // Prints Hi

​

        Console.WriteLine("\n-------------------Separator---------------------\n");

        StringBuilder sb1 = new StringBuilder("Hi, Pirzada");

        Console.WriteLine(sb1.Length); // Current Length is 11

​

        // Let’s increase the StringBuilder length from 11 to 14.

        sb1.Length = 14;

​

        // If the target length is greater than the StringBuilder’s current number of characters, null characters are appended until the target length is achieved. 

        Console.WriteLine(sb1.Length); // Now Current Length is 14

        Console.WriteLine(sb1.ToString()); // Prints Hi, Pirzada

​

    }

}