[CODE] - Read & Order file.

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

public class Testes {
    public static void main(String[] args) throws Exception {

        Scanner input = new Scanner(new File("file.txt"));

        int idx = 0;
        while (input.hasNextInt()) {
            idx ++;
            input.nextInt();
        }

        input.close();

        input = new Scanner(new File("file.txt"));

        int[] vec = new int[idx];
        for(int i = 0; input.hasNextInt(); ++i) {
            vec[i] = input.nextInt();
        }

        for (int i = 0; i < vec.length; i++) {
            int aux = -1;
            for (int j = 0; j < vec.length - 1; j++) {
                if (vec[j] > vec[j + 1]) {
                    aux = vec[j];
                    vec[j] = vec[j + 1];
                    vec[j + 1] = aux;
                }
            }
        }

        for (int i = 0; i < vec.length; ++i) {
            System.out.println("" + vec[i]);
        }
    }
}