public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
BufferedReader bf = new BufferedReader(new FileReader(reader.readLine()));
reader.close();
String line = null;
while ((line = bf.readLine()) != null) {
if ((line.startsWith(args[0]))) System.out.println(line);
}
bf.close();
}package com.javarush.task.task18.task1822;
/*
Поиск данных внутри файла
*/
import java.io.*;
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
BufferedReader bf = new BufferedReader(new FileReader(reader.readLine()));
reader.close();
String line =null;
while ((line=bf.readLine() )!=null){
if ( ( line.startsWith(args[0])) ) System.out.println(line);
}
bf.close();
}
}