import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;

public class TestThing
{
    public static void main(String[] args) throws IOException{
        File file = new File ("thing.txt");
        
        if(!file.exists()){
            file.createNewFile();
            BufferedWriter w = new BufferedWriter(new FileWriter(file));
            for(int i = 0; i < 100000; i++){
                w.append("Hello World");
                w.newLine();
            }
            w.flush();
            w.close();
        }
        
        Scanner s = new Scanner(file);
        
        file.delete();
        
        int a = 0;
        while(s.hasNextLine()){
            System.out.println(a++ + " | " + s.nextLine());
        }
        
        System.out.println(a);
    }
}