everything is fine even though third requirements not met :(
package com.codegym.task.task07.task0721;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Arrays;
/*
Min and max in arrays
*/
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
int[] list = new int[20];
for(int i=0; i<20; i++){
list[i]=Integer.parseInt(reader.readLine());
} //list.add(a);
int maximum=Integer.MAX_VALUE;
int minimum=Integer.MIN_VALUE;
for(int j=0; j<20; j++){
if(list[j]>maximum){
maximum=list[j];
}
}
for(int k=0; k<20; k++){
if(list[k]<minimum){
minimum=list[k];
}
}
//write your code here
System.out.println(maximum + " " + minimum);
}
}