Person and Student Management System in Java

This repository contains a Java project that demonstrates the concept of inheritance through a person and student management system. The project includes classes for defining person and student attributes, handling user input, and performing operations such as displaying and manipulating data.

Features

• Inheritance: Demonstrates the concept of inheritance by extending a base class TPersona to a derived class TAlumno.
• Person and Student Attributes: Defines attributes such as name, age, address for a person, and additional attributes for a student.
• User Interaction: Handles user input to create and manage person and student data.
• Data Display: Outputs the details of the people and students managed by the system.

Code Snippets

Main Class

The main class initializes the program, handles user input, and invokes methods for managing person and student data.

public class Principal {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        List<TPersona> people = new ArrayList<>();
        List<TAlumno> students = new ArrayList<>();

        // Input for Person
        System.out.print("Enter name: ");
        String name = scanner.nextLine();
        System.out.print("Enter age: ");
        int age = scanner.nextInt();
        scanner.nextLine(); // Consume newline
        System.out.print("Enter address: ");
        String address = scanner.nextLine();
        TPersona person = new TPersona(name, age, address);
        people.add(person);

        // Input for Student
        System.out.print("Enter student name: ");
        String studentName = scanner.nextLine();
        System.out.print("Enter student age: ");
        int studentAge = scanner.nextInt();
        scanner.nextLine(); // Consume newline
        System.out.print("Enter student address: ");
        String studentAddress = scanner.nextLine();
        System.out.print("Enter student ID: ");
        String studentID = scanner.nextLine();
        TAlumno student = new TAlumno(studentName, studentAge, studentAddress, studentID);
        students.add(student);

        // Display data
        System.out.println("List of people:");
        for (TPersona p : people) {
            System.out.println(p);
        }

        System.out.println("List of students:");
        for (TAlumno s : students) {
            System.out.println(s);
        }
    }
}

Person Class

The TPersona class represents a person with attributes such as name, age, and address. It includes methods for displaying person details.

public class TPersona {
    private String name;
    private int age;
    private String address;

    public TPersona(String name, int age, String address) {
        this.name = name;
        this.age = age;
        this.address = address;
    }

    @Override
    public String toString() {
        return "Name: " + name + ", Age: " + age + ", Address: " + address;
    }
}

Student Class

The TAlumno class extends TPersona and adds attributes specific to a student, such as student ID.

public class TAlumno extends TPersona {
    private String studentID;

    public TAlumno(String name, int age, String address, String studentID) {
        super(name, age, address);
        this.studentID = studentID;
    }

    @Override
    public String toString() {
        return super.toString() + ", Student ID: " + studentID;
    }
}

Usage

1. Compile the Java files using a Java compiler (e.g., javac).
2. Run the main class (Principal) to start the program.
3. Follow the prompts to enter the details of persons and students.
4. The program will display the list of persons and students with their details.

Classes and Methods

• Principal: The main class that handles user input and program execution.
  • main(String[] args): The entry point of the program.
• TPersona: A base class representing a person with attributes and methods for displaying details.
  • TPersona(String name, int age, String address): Constructor that initializes the person's attributes.
  • toString(): Method that returns the string representation of the person's details.
• TAlumno: A derived class representing a student, extending TPersona and adding additional attributes.
  • TAlumno(String name, int age, String address, String studentID): Constructor that initializes the student's attributes.
  • toString(): Method that returns the string representation of the student's details, including inherited attributes.