Exception in thread "main" java.lang.NumberFormatException: For input string: "4"
at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
at java.lang.Integer.parseInt(Integer.java:580)
at java.lang.Integer.valueOf(Integer.java:766)
at com.javarush.task.task13.task1326.Solution.main(Solution.java:22)
package com.javarush.task.task13.task1326;
/*
Сортировка четных чисел из файла
*/
import com.sun.xml.internal.ws.policy.privateutil.PolicyUtils;
import javax.naming.InsufficientResourcesException;
import java.io.*;
import java.util.ArrayList;
import java.util.Collections;
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
BufferedReader reader1 = new BufferedReader(new FileReader(reader.readLine()));
reader.close();
String numberString;
ArrayList<Integer> list = new ArrayList<>();
while ((numberString = reader1.readLine()) != null) {
int number = Integer.parseInt(numberString);
if((number % 2) == 0) list.add(number);
}
Collections.sort(list);
for(Integer x : list) System.out.println(list.get(x));
}
}
P.s.: снизу курсор, не пробел)