What is the ouput in java

package test;

import java.io.*;

public class Main {

public static void main(String args[]) throws IOException {

FileReader f = new FileReader("src\\test\\Main.java\\");

BufferedReader b = new BufferedReader(f);

System.out.println(b.readLine() + " " + b.readLine() + " " + b.readLine());

}

}