Write code in java to solve the following problems. Question 1: Most important Class in Customer Relationship Management (CRM) System is indeed Customer. Customer class can have fields: Name, ID, Gender, Contact Number & Address The member functions include the getters and setters for all the member variables and display0 function to display the data. Customer |- ID: int - Name: String - Gender: String - ContactNumber: String - Address: String +<>Customer() +getters and setters +display (): void
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- What is the difference between a friend function of a class and a member function of a class? (3)Given below is a UML diagram for address class. Address -Street: String -City: String -State: String -Postal code: String -country: String +methods a) Write the code for default constructor and set the values of the data fields to null? b) Write the code for overloaded constructor with formal parameters and set the values of the data fields to the parameter listing. c) Write the code for mutator and accessor methods.Most important Class in Customer Relationship Management (CRM) System is indeed Customer. Customer class can have fields: Name, ID, Gender, Contact Number & Address The member functions include the getters and setters for all the member variables and display() function to display the data. Customer - ID: int - Name: String - Gender: String - ContactNumber: String - Address: String +>Customer() +getters and setters +display (): void In the main function, first create two Customer objects and allow the user to enter data in these objects. Secondly, display the data from these objects.
- Given below is a UML diagram for address class. Address -Street: String -City: String -State: String -Postal code: String -country: String +methods a) Write the code for default constructor and set the values of the data fields to null? b) Write the code for overloaded constructor with formal parameters and set the values of the data fields to the parameter listing. c) Write the code for mutator and accessor methods. d) Write the code for printAddress() method that returns the full address.C++ Language Please Write a program that implements four classes: NPC, Flying, Walking, and Generic for a fantasy roleplaying game. Each class should have the following attributes and methods: NPC -a parent class that defines methods and an attribute common to all non-player characters (npc) in the game. a private string variable named name, for storing the name of the npc. a default constructor for setting name to "placeholder". an overloaded constructor that sets name to a string argument passed to it. setName - a mutator for updating the name attribute getName - an accessor for returning the npc name printStats - a pure virtual function that will be overridden by each NPC subclass. Flying - a subclass of NPC that defines a flying npc in the game a private int variable named flightSpeed for tracking the speed of the npc. a default constructor for setting flightSpeed to 0 and name to "Flying" using setName. setFlightSpeed - a mutator that accepts an integer as it's only argument…What distinguishes a class's static data member from its non-static data member? Give an example of a real-world situation in which a static data member can be beneficial.
- What's the difference between a class's static and non-static data members? Give an example of why a static data member might be helpful in the real world.Chapter 9 defined the struct studentType to implement the basic properties of a student. Define the class studentType with the same components as the struct studentType, and add member functions to manipulate the data members. (Note that the data members of the class studentType must be private.) Write a program to illustrate how to use the class studentType. Struct studentType: struct studentType { string firstName; string lastName; char courseGrade; int testScore; int programmingScore; double GPA; }; An example of the program is shown below: Name: Sara Spilner Grade: A Test score: 89 Programming score: 92 GPA: 3.57 ***************Define the struct studentType to implement the basic properties of a student. Define the class studentType with the same components as the struct studentType, and add member functions to manipulate the data members. (Note that the data members of the class studentType must be private.) Write a program to illustrate how to use the class studentType. Struct studentType: struct studentType { string firstName; string lastName; char courseGrade; int testScore; int programmingScore; double GPA; }; An example of the program is shown below: Name: Sara Spilner Grade: A Test score: 89 Programming score: 92 GPA: 3.57 *************** c++ code please This is the code I have but I keep getting error #include<iostream> using namespace std; class studentType { private: string firstName; string lastName; char courseGrade; int testScore; int programmingScore; double GPA; public: studentType(string f, string l, char CG, int TS, int PS, double gpa) { cout<<"Name:…
- The difference between a static data member and a non-static data member of a class is as follows: In the real world, describe a situation in which a static data member might be beneficial.hapter 9 defined the struct studentType to implement the basic properties of a student. Define the class studentType with the same components as the struct studentType, and add member functions to manipulate the data members. (Note that the data members of the class studentTypemust be private.) Write a program to illustrate how to use the class studentType. Struct studentType: struct studentType { string firstName; string lastName; char courseGrade; int testScore; int programmingScore; double GPA; }; An example of the program is shown below: Name: Sara Spilner Grade: A Test score: 89 Programming score: 92 GPA: 3.57 ***************How does the static data member of a class differ from a non-static data member? Give a real-worldscenario in which a static data member might be useful.