In a collection with frequent insert and delete, it is best to use a LinkedList instead of ArrayL True False In the following code, the data field "name" remained null. public class Person \{ private string? name; public Person(string name) \{ name = name; \} public void Introduce(Person p) \{ if ( p != this && name!=nuli) Console.WriteLine("Hi, I'm " + name): ) \} Which of the following is the reason? The logic for the if statement is wrong The data field should not be private The assignment in the constructor is ambiguous Parameterless constructor is missing