Не понимаю, почему.
package com.javarush.task.task07.task0721;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
/*
Минимаксы в массивах
*/
public class Solution {
public static void main(String[] args) throws IOException {
int maximum = 0;
int minimum = 0;
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
int[]a = new int[20];
for (int i=0; i<20; i++){
a[i] = Integer.parseInt(reader.readLine());
}
for (int j=1; j<20; j++){
if (a[j]>a[j-1]&&a[j]>maximum){
maximum = a[j];
}
for (int h=1; h<20; h++){
if (a[h]<a[h-1]&&a[j]<minimum){
minimum = a[h];
}
}
//System.out.print(maximum + " " + minimum);
}
System.out.print(maximum + " " + minimum);
}
}