import java.util.LinkedHashSet;
public class Main {
public static void main(String[] args) {
LinkedHashSet lhashSet = new LinkedHashSet();
lhashSet.add(new Integer("1"));
lhashSet.add(new Integer("2"));
lhashSet.add(new Integer("3"));
System.out.println(lhashSet);
boolean blnRemoved = lhashSet.remove(new Integer("2"));
System.out.println(blnRemoved);
System.out.println(lhashSet);
}
}