import java.util.LinkedHashMap;
public class Main {
public static void main(String[] args) {
LinkedHashMap lHashMap = new LinkedHashMap();
System.out.println(lHashMap.size());
lHashMap.put("1", "One");
lHashMap.put("2", "Two");
lHashMap.put("3", "Three");
System.out.println(lHashMap.size());
Object obj = lHashMap.remove("2");
System.out.println(lHashMap.size());
}
}