I tried simplifying the initialization and it still runs and reverses but doesn't pass that requirement.
package com.codegym.task.task07.task0719;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.*;
/*
Display numbers in reverse order
*/
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
// Declare an integer list variable and immediately initialize it
List<Integer> list = new ArrayList<Integer>(10);
//read 10 integers
for (int i = 0; i < 10; i++)
{
String x = reader.readLine();
Integer b = Integer.parseInt(x);
list.add(b);
}
//System.out.print(list);
for (int j = 0; j <list.size(); j++)
{
int k = list.size()-j-1;
System.out.println(list.get(k));
}
}
}