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using System;
public class Program
{
public static void Main()
IFile file1 = new FileInfo();
FileInfo file2 = new FileInfo();
file1.ReadFile();
file1.WriteFile("content");
file2.ReadFile();
file2.WriteFile("content");
}
interface IFile
void ReadFile();
void WriteFile(string text);
class FileInfo : IFile
public void ReadFile()
Console.WriteLine("Reading File");
public void WriteFile(string text)
Console.WriteLine("Writing to file");