import java.io.*;
import java.util.*;
import java.text.*;

public class ChangeFileDate{
	public static void main(String[] args) {
		try{
			System.out.println("Change file timestamp example!");
			BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
			System.out.println("Enter file name with extension:");
			String str = bf.readLine();
			System.out.println("Enter last modified date in 'dd-mm-yyyy' format:");
			String strDate = bf.readLine();
			SimpleDateFormat sdf= new SimpleDateFormat("dd-MM-yyyy");
			Date date = sdf.parse(strDate);
			File file = new File(str);
			if (file.exists()){
				file.setLastModified(date.getTime());
				System.out.println("Modification is successfully!");
			}
			else{
				System.out.println("File does not exists!");
			}
		}
		catch(Exception e){
			e.printStackTrace();
		}
	}
}