Player.java

public class Player {
    // Default attributes
    private String username;
    private int exp;
    private int level;
    private int coins;

    // Constructor
    public Player(String username) {
        this.username = username;
        this.exp = 0;
        this.level = 1; // default level
        this.coins = 100; // Starting coins
    }

    public String getUsername() {
        return username;
    }

    public int getCoins() {
        return coins;
    }

    public int getLevel() {
        return level;
    }
    public int getExp() {
        return exp;
    }
    public void setCoins(int coins) {
        this.coins = coins;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public void reward(int expReward, int coinReward) {
        this.exp += expReward;
        this.coins += coinReward;
        levelUp();
    }

    private void levelUp() {
        if (this.exp >= 100) {
            this.level++;
            this.exp = 0; // Reset experience for next level
        }
    }

    public void deductCoins(int amount) {
        this.coins -= amount;
    }
}