Question

create a java prgram that have UniversityDriver Class

The UniversityDriver contains the main method.

The following commands can be entered:

(a) "hire" //to hire a new faculty member
(b) "admit" //to admit a new student
(c) "find student" //to display information about a specific student: name, date of birth, and major
(d)"find faculty" //display information about a specific faculty: name, date of birth, and courses;
(e) “list students” // list the first and last names of all students
(f) “list faculty” // list the first and last names of all faculty
(g)"quit"// terminates the program and saves all Person data in a “UniversityPersons.per” file, including the ones hired and admitted by the user

Answer 1

Hi, Please find the solution and rate the answer.

import java.time.LocalDate;
import java.util.ArrayList;
import java.util.List;

public class Faculty {
    private String name;
    private LocalDate dateOfBirth;
    List<Course> courses;

    @Override
    public String toString() {
        String str="";
        if (courses.size() != 0) {
            str = courses.stream().map(it -> (it.getName() + ", ")).reduce(String::concat).get();
        }
        if (courses.size() == 0)
            return "Faculty{" +
                    "name='" + name + '\'' +
                    ", dateOfBirth=" + dateOfBirth +
                    ", courses=" + null +
                    '}';
        else return "Faculty{" +
                "name='" + name + '\'' +
                ", dateOfBirth=" + dateOfBirth +
                ", courses=" + str +
                '}';
    }

    public void addCourse(Course c) {
        courses.add(c);
    }

    public void resetCourses() {
        courses.clear();
    }

    public Faculty(String name) {
        this.name = name;
        courses = new ArrayList<>();
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public LocalDate getDateOfBirth() {
        return dateOfBirth;
    }

    public void setDateOfBirth(LocalDate dateOfBirth) {
        this.dateOfBirth = dateOfBirth;
    }
}

import java.time.LocalDate;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class UniversityDriver {
    public static void main(String[] args) {
        boolean loop = true;
        List<Faculty> faculties = new ArrayList<>();
        List<Student> students =  new ArrayList<>();
        do {
            System.out.println("Commands are 'Hire','Admit','find Student','find faculty','list students','list faculty':\n" +
                    "Commands are case insensitive - Hire is same as hire.\nEnter your Command:");
            Scanner sc = new Scanner(System.in);
            String choice = sc.nextLine();
            if (choice.equalsIgnoreCase("hire")) {
                Faculty f;
                System.out.println("Enter faculty name:");
                String str = sc.next();
                System.out.println("Enter Course he takes:");
                f = new Faculty(str);
                f.addCourse(new Course(sc.next()));
                System.out.println("enter date of birth in yyyy-mm-dd format");

                String next = sc.next();
                while (next.equalsIgnoreCase("\n")) {
                    next = sc.next();
                }
                f.setDateOfBirth(LocalDate.parse(next));
                System.out.println("Done:");
                faculties.add(f);
            }
            if (choice.equalsIgnoreCase("admit")) {
                System.out.println("Enter Student name:");
                String str = sc.next();
                System.out.println("Enter major:");
                Student st =  new Student(str);
                st.setMajor(sc.next());
                System.out.println("enter date of birth in yyyy-mm-dd format");
                st.setDateOfBirth(LocalDate.parse(sc.next()));
                System.out.println("Done");
                students.add(st);
            }
            if (choice.equalsIgnoreCase("find student")) {
                System.out.println("Enter name to find");
                String findName = sc.next();
                for (Student s:students){
                    if(s.getName().equalsIgnoreCase(findName)){
                        System.out.println(s);
                    }
                }

            }
            if (choice.equalsIgnoreCase("find faculty")) {
                System.out.println("Enter name to find");
                String findName = sc.next();
                for (Faculty s:faculties){
                    if(s.getName().equalsIgnoreCase(findName)){
                        System.out.println(s);
                    }
                }
            }
            if (choice.equalsIgnoreCase("list students")) {
                students.stream().forEach(item-> System.out.println(item));
            }
            if (choice.equalsIgnoreCase("list faculty")) {
                faculties.stream().forEach(i-> System.out.println(i));
            }
            if (choice.equalsIgnoreCase("quit")) {
                loop = false;
            }
        } while (loop);
    }
}

import java.time.LocalDate;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;

public class Student {
    private String name;
    LocalDate dateOfBirth;
    private String major;

    public Student(String name) {
        this.name = name;
    }

    public String getMajor() {
        return major;
    }

    public void setMajor(String major) {
        this.major = major;
    }

    public String getName() {
        return name;
    }

    public void setDateOfBirth(LocalDate dateOfBirth) {
        this.dateOfBirth = dateOfBirth;
    }

    public LocalDate getDateOfBirth() {
        return dateOfBirth;
    }

    @Override
    public String toString() {
        return "Student{" +
                "name='" + name + '\'' +
                ", dateOfBirth=" + dateOfBirth +
                ", major='" + major + '\'' +
                '}';
    }
}

class Course {
    private String name;

    @Override
    public int hashCode() {
        return Objects.hash(name);
    }

    public Course(String name) {
        this.name = name;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;
        Course course = (Course) o;
        return name.equals(course.name);
    }
}

Sample out: