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package test; import java.util.ArrayList; import java.util.List; public class Hall { private static List persons = new ArrayList(); public static void add(Person person) { persons.add(person); } public static Person get(String name) { for(Person person : persons) { String userName = person.getName(); if(userName.equalsIgnoreCase(name)) return person; } return null; } public static void remove(int index) { persons.remove(index); } public static List getPersons() { return persons; } }