please , i need the code for this assignment in C language > Good Bye.Input validationIf the user enters incorrect choice for any menu, the program should continue to show the menuand display the message "Invalid selection! Please try again".If the user enters the age which is not in the range (15-90), the program should display the errormessage "Invalid input! (age must be between 15 and 90)" and enforce the user to enter thecorrect age.If the user enters the gender other than "male or female", the program should display the errormessage "Invalid input! (gender must be male or female)" and enforce the user to enter the correctgender.Methods:You MUST use the following methods in your program:Method nameFunctiondisplayMainMenuDisplaying the main menuAllows the user to enter (A, a, D, d, E or e) and returns the correctcharacter. If the user inputs a character that is not recognized (NOTfrom A, a, D, d, E or e), then the method should print the message">Invalid selection! Please try again.", and it enforces the user toenter the correct character.inputAndCheckAllows the user to enter the age and returns it if the entered value isbetween 15 and 90 inclusively. Otherwise, the method should printthe message ">Invalid input! (age must be between 15 and 90)" andother messages "See the sample output" , and it enforces the user toenter the correct age.readCustomerAgeAllows the user to enter the customer gender and returns thecustomer gender value.readCustomerGenderAllows the user to enter the customer city and returns the customercity name.readCustomerCitydisplayCustomerlnformationDisplays the customer details (See sample output) Project Description:The management of a super store needs Customer Management System for registering customersbased on some criteria. The system should allow registration management members to perform thefollowing actions:Add customer record (id, name, age, gender and city) to the file.Print customer details (id, name, age, gender and city)Note: The purpose of this Project is to practice file input/output operations in c. Therefore, wheneveryou add a new customer record, you will be saving ALL the customer information into file. Forexample, each customer record will have an ID, a first name, a last name, age, gender and city.Project Details:The program will first ask the user to enter the customer registration year and number of customers inthe year as shown in below sample:Welcome to the Customer Management System> Please enter the customer registration year (ex: 2017): 2021> How many customers do you want to register in year 2021: 2After the user enters the registration year and number of customers, the program should display thefollowing main menu:Customer Management System* MAIN MENU*| A/a: Enter A or a for Adding a customer| D/d: Enter D or d for Printing customer Details| E/e: Enter E or e for Exiting the Program> Please enter your choice:If the user chooses A or a, then the program allows the user to enter the following information:customerID, first name, last name, age, gender, city.o Again, all information is to be stored in an file.• If the user chooses D or d, the program allows the user to print the customers details from file(read the array from file and display on the screen). If the user chooses E or e, the program stop and display the message:> Thank you for using the Customer Management System!

import java.util.Scanner;public class Main {public static Scanner userInput = new…

The management of a super store needs Customer Management System for registering customers based on some criteria. The system should allow registration management members to perform the following actions: Add customer record (id, name, age, gender and city) to the file. Print customer details (id, name, age, gender and city) Note: The purpose of this Project is to practice file input/output operations in c. Therefore, whenever you add a new customer record, you will be saving ALL the customer information into file. For example, each customer record will have an ID, a first name, a last name, age, gender and city. Project Details: The program will first ask the user to enter the customer registration year and number of customers in the year as shown in below sample: Welcome to the Customer Management System > Please enter the customer registration year (ex: 2017): 2021 > How many customers do you want to register in year 2021: 2 After the user enters the registration year and number of customers, the program should display the following main menu: Customer Management System * MAIN MENU* | A/a: Enter A or a for Adding a customer | D/d: Enter D or d for Printing customer Details | E/e: Enter E or e for Exiting the Program > Please enter your choice: If the user chooses A or a, then the program allows the user to enter the following information: customerID, first name, last name, age, gender, city. o Again, all information is to be stored in an file. • If the user chooses D or d, the program allows the user to print the customers details from file (read the array from file and display on the screen) If the user chooses E or e, the program stop and display the message: > Thank you for using the Customer Management System!

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE