Am i using push wrong or is it something else?
package com.codegym.task.task05.task0532;
import java.io.*;
import java.util.Arrays;
/*
Task about algorithms
*/
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
int maximum = Integer.parseInt(reader.readLine());
int[] answer = new int[]{0};
if (maximum > 0){
for (int i = 0; i < maximum; i++){
answer.push(Integer.parseInt(reader.readLine()));
}
Array.sort(answer);
System.out.println(answer[maximum]);
}
}
}