using System;

​

interface IFile

{

    void ReadFile();

    void WriteFile(string text);

}

​

class FileInfo : IFile

{

    void IFile.ReadFile()

    {

        Console.WriteLine("Reading File");

    }

​

    void IFile.WriteFile(string text)

    {

        Console.WriteLine("Writing to file");

    }

​

    public void Search(string text)

    {

        Console.WriteLine("Searching in file");

    }

}

​

public class Program

{

    public static void Main()

    {

        IFile file1 = new FileInfo();

        FileInfo file2 = new FileInfo();

        file1.ReadFile(); 

        file1.WriteFile("content"); 

        //file1.Search("text to be searched")//compile-time error 

        file2.Search("text to be searched");

        //file2.ReadFile(); //compile-time error 

        //file2.WriteFile("content"); //compile-time error 

    }

}