OS_Lab01_zad01

package zad1;

import java.io.File;
import java.io.FilenameFilter;
import java.io.IOException;

public class Lab01_zad01 {
    public static void main(String[] args) throws IOException {
        File f = null;
        try {
            f = new File("imenik");
        } finally {
            int suma = 0;
            File[] files = f.listFiles();
            for (int i = 0; i < files.length; i++) {
                suma += files[i].length();
            }
            System.out.println("Suma:" + suma);
            System.out.println("Prosek:" + suma / f.listFiles().length);
        }
    }
}