StudySession.java

import java.time.LocalDate;

public class StudySession {
    private int id;
    private String subject;
    private int durationSeconds;
    private LocalDate date;

    public StudySession(int id, String subject, int durationSeconds, LocalDate date) {
        this.id = id;
        this.subject = subject;
        this.durationSeconds = durationSeconds;
        this.date = date;
    }

    public int getId() { return id; }
    public String getSubject() { return subject; }
    public int getDurationSeconds() { return durationSeconds; }
    public LocalDate getDate() { return date; }


    private String formatTime(int totalSeconds) {
        int hours = totalSeconds / 3600;
        int minutes = (totalSeconds % 3600) / 60;
        int seconds = totalSeconds % 60;

        return hours + "h " + minutes + "m " + seconds + "s";
    }

    @Override
    public String toString() {
        return id + " | " + subject + " | " + formatTime(durationSeconds) + " | " + date;
    }
}