Help please!, explain what is missing and what needs to be changed if anything.

Using the computer language in JAVA to write a function code that output numbers in reverse
import java.util.Scanner;
public class LabProgram {
public static void main(String[] args) {
Scanner scnr = new Scanner(System.in);
int[] userList = new int[20];
int numElements;
numElements = scnr.nextInt();
for (int i = 0; i < numElements; ++i) {
userList[i] = scnr.nextInt();
}
for (int i = numElements - 1; i >= 0; --i) {
System.out.print(userList[i] + " ");
}
System.out.println();
}
}
See more about JAVA at brainly.com/question/12975450
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