C# | Copy() Method

// C# program to demonstrate the 
// use of Copy() method
using System;
class Program {
    
    static void cpymethod()
    {
        string str1 = "GeeksforGeeks";
        string str2 = "GFG";
        Console.WriteLine("Original Strings are str1 = "
            + "'{0}' and str2='{1}'", str1, str2);
                
        Console.WriteLine("");

        Console.WriteLine("After Copy method");
        Console.WriteLine("");

        // using the Copy method
        // to copy the value of str1 
        // into str2
        str2 = String.Copy(str1);

        Console.WriteLine("Strings are str1 = "
        +"'{0}' and str2='{1}'", str1, str2);

        // check the objects reference equal or not
        Console.WriteLine("ReferenceEquals: {0}",
            Object.ReferenceEquals(str1, str2));

        // check the objects are equal or not
        Console.WriteLine("Equals: {0}", Object.Equals(str1, str2));
        Console.WriteLine("");

        Console.WriteLine("After Assignment");
        Console.WriteLine("");

        // to str1 object reference assign to str2
        str2 = str1;

        Console.WriteLine("Strings are str1 = '{0}' "
                    +"and str2 = '{1}'", str1, str2);

        // check the objects reference equal or not
        Console.WriteLine("ReferenceEquals: {0}", 
            Object.ReferenceEquals(str1, str2));

        // check the objects are equal or not
        Console.WriteLine("Equals: {0}", Object.Equals(str1, str2));

    }
    
    // Main Method
    public static void Main()
    {
        
        // calling method
        cpymethod();
    }
}