Java

Java Student Project With Code And Examples

Bharath

— 2 min read
Java Student Project With Code And Examples

Let's create a simple Java student management system project. This project will allow you to add, view, and delete students from a list.

Step 1: Set Up Your Environment

Make sure you have Java installed on your computer.

Step 2: Create a New Java Class

Create a new Java class (e.g., Student.java) to represent a student. This class will have attributes like id, name, and grade.

public class Student {
    private int id;
    private String name;
    private double grade;

    public Student(int id, String name, double grade) {
        this.id = id;
        this.name = name;
        this.grade = grade;
    }

    public int getId() {
        return id;
    }

    public String getName() {
        return name;
    }

    public double getGrade() {
        return grade;
    }

    @Override
    public String toString() {
        return "Student ID: " + id + ", Name: " + name + ", Grade: " + grade;
    }
}

Explanation:

  1. We have a Student class with three private attributes: id, name, and grade.
  2. The constructor takes these attributes as parameters and initializes the object.
  3. There are getter methods to retrieve the student's id, name, and grade.
  4. The toString method provides a string representation of the student object.

Step 3: Create a Student Management System Class

Create another Java class (e.g., StudentManagementSystem.java) for managing students.

import java.util.ArrayList;
import java.util.List;

public class StudentManagementSystem {
    private List<Student> students;

    public StudentManagementSystem() {
        this.students = new ArrayList<>();
    }

    public void addStudent(Student student) {
        students.add(student);
    }

    public void viewAllStudents() {
        for (Student student : students) {
            System.out.println(student);
        }
    }

    public void deleteStudent(int id) {
        students.removeIf(student -> student.getId() == id);
    }
}

Explanation:

  1. We have a StudentManagementSystem class that contains a list of students.
  2. The addStudent method allows us to add a student to the list.
  3. The viewAllStudents method prints out details of all students in the list.
  4. The deleteStudent method takes an id as a parameter and removes the student with that id from the list.

Step 4: Test the Student Management System

Create a Main class to test the student management system.

public class Main {
    public static void main(String[] args) {
        StudentManagementSystem system = new StudentManagementSystem();

        Student student1 = new Student(1, "John Doe", 85.5);
        Student student2 = new Student(2, "Jane Smith", 92.3);

        system.addStudent(student1);
        system.addStudent(student2);

        system.viewAllStudents();

        System.out.println("\nDeleting student with ID 1...\n");
        system.deleteStudent(1);

        system.viewAllStudents();
    }
}

Explanation:

  1. In the Main class, we create a StudentManagementSystem object.
  2. We create two Student objects and add them to the system.
  3. We view all students to see the list.
  4. We delete a student with ID 1 and view all students again to confirm the deletion.

Step 5: Run the Code

Compile and run the Java files. You should see the output showing the list of students and the student with ID 1 being deleted.

This is a simple student management system project. You can extend it by adding more functionality, like updating student information, searching for students, or persisting data to a file or database.

Read more