Student.java

public class Student {
    private int id;
    private String name;
    private int age;
    private String course;

    public Student(int id, String name, int age, String course) {
        this.id = id;
        this.name = name;
        this.age = age;
        this.course = course;
    }

    public int getId() { return id; }
    public void setId(int id) { this.id = id; }

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

    public int getAge() { return age; }
    public void setAge(int age) { this.age = age; }

    public String getCourse() { return course; }
    public void setCourse(String course) { this.course = course; }

    @Override
    public String toString() {
        return "ID: " + id + ", Name: " + name + ", Age: " + age + ", Course: " + course;
    }
}