Student.java

public class Student {
    private int id;
    private String name;
    private int age;
    private String email;
    private String program;
    private double gpa;

    public Student(int id, String name, int age, String email, String program, double gpa) {
        this.id = id;
        this.name = name;
        this.age = age;
        this.email = email;
        this.program = program;
        this.gpa = gpa;
    }

    public int getId() { return id; }
    public String getName() { return name; }
    public int getAge() { return age; }
    public String getEmail() { return email; }
    public String getProgram() { return program; }
    public double getGpa() { return gpa; }

    public void setName(String name) { this.name = name; }
    public void setAge(int age) { this.age = age; }
    public void setEmail(String email) { this.email = email; }
    public void setProgram(String program) { this.program = program; }
    public void setGpa(double gpa) { this.gpa = gpa; }

    // CSV helpers (very simple; avoids commas in fields)
    public String toCsvRow() {
        return id + "," + safe(name) + "," + age + "," + safe(email) + "," + safe(program) + "," + gpa;
    }

    public static Student fromCsvRow(String row) {
        String[] parts = row.split(",", -1);
        int id = Integer.parseInt(parts[0]);
        String name = parts[1];
        int age = Integer.parseInt(parts[2]);
        String email = parts[3];
        String program = parts[4];
        double gpa = Double.parseDouble(parts[5]);
        return new Student(id, name, age, email, program, gpa);
    }

    private static String safe(String s) {
        if (s == null) return "";
        return s.replace(",", " "); // keep CSV simple
    }

    @Override
    public String toString() {
        return String.format("ID=%d | %s | age=%d | %s | program=%s | GPA=%.2f",
                id, name, age, email, program, gpa);
    }
}