bytevvod

package hw12;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.*;

class MyComparator implements Comparator {

    @Override
    public int compare(Object o1, Object o2) {
        int ch1 = (Integer) o1;
        int ch2 = (Integer) o2;
        if (ch1 > ch2)
            return -1;
        else {
            if (ch1 < ch2)
                return 1;
            return 0;
        }
    }
}

public class BinaryInput {
    public static void main(String[] args) {
        FileInputStream fin = null;
        try {
            fin = new FileInputStream("input.txt");
        } catch (FileNotFoundException ex) {
            System.out.println("Input file not found!");
        }
        ArrayList<Integer> temp = new ArrayList<Integer>();
        try {
            int i;
            do {
                i = fin.read();
                if (i != -1)
                    temp.add(i);
            } while (i != -1);
        } catch (IOException ex) {
            System.out.println("Error file!");
        }
        finally{
            try{
                if(fin!=null)
                    fin.close();
            }
            catch(IOException ex){

                System.out.println(ex.getMessage());
            }
        }
        TreeSet<Integer> ourbytes = new TreeSet<>(new MyComparator());
        ourbytes.addAll(temp);
        System.out.println(ourbytes);
    }
}