String ArrayList - Java

package tablice;

import java.util.ArrayList;
import java.util.Scanner;

public class arrayListTest
{
public static void main(String[] args)
{
String in;
Scanner input = new Scanner(System.in);

ArrayList<String> array1 = new ArrayList<>();

array1.add("Marek");
array1.add("Gosia");
array1.add("Wiktor");
array1.add("Weronika");

System.out.println("before: "+array1.size());
while(true)
{
System.out.print("Enter arrayList element: ");
in = input.next();

if(!in.equals("q"))
{
array1.add(in);
}
else
{
System.out.println("the end");
break;
}
}
System.out.println("before: "+array1.size());
input.close();


}
}