Game.java

import java.time.LocalDate;

public class Game {

    static HighscoreEntry[] highscore = new HighscoreEntry[10];

    public static void main(String[] args) {
        addHighscore("Bob", 500);
        addHighscore("Kevin", 440);
        addHighscore("Dave", 600);

        print(highscore);
    }

    private static void addHighscore(String playerName, int score) {
        for (int i = 0; i < highscore.length; i++) {
            if (highscore[i] == null) {
                HighscoreEntry newHighscoreEntry =
                        new HighscoreEntry(
                                playerName,
                                score,
                                LocalDate.now()
                        );
                highscore[i] = newHighscoreEntry;
                break;
            }
        }
    }

    private static void print(HighscoreEntry[] highscore) {
        System.out.println("#################");
        System.out.println("### HIGHSCORE ###");
        System.out.println("#################");
        for (int i = 0; i < highscore.length; i++) {
//            System.out.println(highscore[i].getPlayerName() + " "
//                    + highscore[i].getScore());
            
            highscore[i].print();
        }
    }

}

HighscoreEntry.java

import java.time.LocalDate;

public class HighscoreEntry {

    private String playerName;
    private int score;
    private LocalDate date;

    /**
     * Konstruktor, der die folgenden Werte setzt:
     * @param playerName der spielwename
     * @param score die punktzahl
     * @param date datum des spiels
     */
    public HighscoreEntry(String playerName, int score, LocalDate date) {
        this.playerName = playerName;
        this.score = score;
        this.date = date;
    }

    /**
     * Get the playername
     * @return the playername
     */
    public String getPlayerName() {
        return playerName;
    }

    public int getScore() {
        return score;
    }

    public LocalDate getDate() {
        return date;
    }


    public void print() {
        System.out.println(playerName + " " + score);
    }

    public static void main(String[] args) {
         new HighscoreEntry("Bob", 600, LocalDate.now()).print();
    }
}