public class Scoreboard
{
    /** Names of team 1 and team 2 */
    private String team1Name;
    private String team2Name;

    /** Scores of each team */
    private int team1Score;
    private int team2Score;

    /** true if team 1 is currently active; false if team 2 is currently active */
    private boolean team1Active;

    /**
     * Constructs a Scoreboard with the given team names.
     * The game starts with team 1 active and both scores 0.
     */
    public Scoreboard(String name1, String name2)
    {
        team1Name = name1;
        team2Name = name2;
        team1Score = 0;
        team2Score = 0;
        team1Active = true;    // team 1 starts as the active team
    }

    /**
     * Records the result of one play.
     * If points > 0, add points to the active team's score.
     * If points == 0, the active team's turn ends and the other team becomes active.
     */
    public void recordPlay(int points)
    {
        if (points > 0)
        {
            if (team1Active)
            {
                team1Score += points;
            }
            else
            {
                team2Score += points;
            }
        }
        else    // points == 0
        {
            // switch the active team
            team1Active = !team1Active;
        }
    }

    /**
     * Returns a String of the form "score1-score2-activeTeamName".
     */
    public String getScore()
    {
        String activeName;
        if (team1Active)
        {
            activeName = team1Name;
        }
        else
        {
            activeName = team2Name;
        }

        return team1Score + "-" + team2Score + "-" + activeName;
    }
}

Why this matches the examples:

• Scores start at 0-0 and team 1 is active.
• recordPlay(points > 0) adds to the active team’s score without changing who is active.
• recordPlay(0) switches the active team without changing scores.
• getScore() returns the exact string format shown in the sample table.
• Multiple Scoreboard objects (like game and match) stay independent because all state is instance-based.