Complete the following table by adding the missing term(s) for each line in the second column. Complete the second column. Press Enter to submit each entry. cin and cout are examples of length, substr, and open are examples of string, Student, and ifstream are examples of length and substrare member functions of the class, but open is not The names and behavior of the member functions of a class form the of the class. The user of a class only knows the public interface, not the implementation details, of a class. This is called