Whats wrong in this code? I guess it is a trivial matter but i cant see it:(
package pl.codegym.task.task07.task0721;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
/*
Minimum i maksimum w tablicach
*/
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
//tutaj wpisz swój kod
int tab[] = new int[20];
int minimum = tab[0];
int maksimum = tab[0];
for (int i = 0; i < 20; i++){
int a = Integer.parseInt(reader.readLine());
tab[i] = a;
}
for(int i = 0; i<tab.length; i++){
if(minimum>=tab[i])
minimum = tab[i];
}
for(int i = 0; i<tab.length; i++){
if(maksimum<=tab[i])
maksimum = tab[i];
}
System.out.print(maksimum + " " + minimum);
}
}