in java please

class, Select all instance variables of the inst object that will have null value. public class Instructor private String pantherid; private String firstName; private String lastNone; private String email; private Date dob; private String department; private String office; private String phone; public Instructor(String pid) { pantherid - pid; firstName - lastName - email: ) Instructor inst- new Instructor("8099009"); dob pantherid firstName lastName email department office phone