package lab6;

import java.io.*;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class Zad2 {

	static Scanner scanner = null;
	static int[][] arr = new int[10][10];
	static String[] s = new String[10];
	static List<String> slist = new ArrayList<String>();

	static String str2 = null;

	public static void main(String[] args) {
		// open();
		openLines();
		show();

	}

	static void open() {
		Path filePath = Paths.get("calculator_data.txt");
		String str = null;
		int x = 0;

		try {
			scanner = new Scanner(filePath);
			str2 = scanner.nextLine();

			scanner.reset();
			scanner = new Scanner(filePath);

			while (scanner.hasNext()) {
				str = scanner.next();
				if (!(x > 1 && (str.charAt(0) == '+' || str.charAt(0) == '-' || str.charAt(0) == '*' || str.charAt(0) == '/'))) {
					s[x] = str;
					x++;
				}
			}
		} catch (IOException e) {
			System.out.println("IOException!!!!!!!!");
		}

	}

	static void openLines() {
		Path filePath = Paths.get("calculator_data.txt");
		String str;
		// int x = 0;
		try {
			scanner = new Scanner(filePath);
			while (scanner.hasNext()) {
				str = scanner.nextLine();
				// s[x] = str;
				slist.add(str);
				// x++;
			}
		} catch (IOException e) {
			System.out.println("IOException!!!!!!!!");
		}
	}

	static void show() {
		// for (int i = 0; i < s.length; i++) {
		// if (s[i] != null)
		// System.out.println(s[i]);
		// }

		slist.forEach(System.out::println);

		// System.out.println(str2);

	}

}