Please help me !
package com.codegym.task.task07.task0713;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
/*
Playing Javarella
*/
public class Solution {
public static void main(String[] args) throws Exception {
//Create Objects.
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)) ;
ArrayList<Integer> mainlist = new ArrayList<Integer>() ;
ArrayList<Integer> supp1 = new ArrayList<Integer>() ;
ArrayList<Integer> supp2 = new ArrayList<Integer>() ;
ArrayList<Integer> supp3 = new ArrayList<Integer>() ;
//reading elements and adding them to Array.
for(int i = 0 ; i < 20 ; i++)
{
mainlist.add(Integer.parseInt(reader.readLine()));
}
//main part.
for (int i = 0; i < list.size(); i++)
{
Integer x = list.get(i);
if (x % 3 == 0 && x % 2 == 0) {
supp1.add(x) ;
supp2.add(x) ;
}else if (x % 3 == 0) { // If x is odd
supp1.add(x) ;
}else if (x % 3 == 0) { // If x is even
supp2.add(x) ;
}else {
supp3.add(x) ;
}
}
System.printlist(supp1) ;
System.printlist(supp2) ;
System.printlist(supp3) ;
public static void printList(List<Integer> list) {
//write your code here
for(int i = 0 ; i < 20 ; i++)
System.out.println(list.get(i)) ;
}
}
