public class Constants {
    public static final int PLANETS_PER_PLAYER = 6;
    public static final int EXTRA_PLANETS = 4;

    public static final int DRAG = 3;
    public static final int MAX_SPEED = 30;
    public static final int MAX_ACCELERATION = 10;

    public static final short MAX_SHIP_HEALTH = 255;
    public static final short BASE_SHIP_HEALTH = 255;
    public static final short DOCKED_SHIP_REGENERATION = 0;

    public static final int WEAPON_COOLDOWN = 1;
    public static final int WEAPON_RADIUS = 5;
    public static final int WEAPON_DAMAGE = 128;
    public static final int EXPLOSION_RADIUS = 5;

    public static final int MAX_DOCKING_DISTANCE = 4;
    public static final int DOCK_TURNS = 5;
    public static final int PRODUCTION_PER_SHIP = 100;
    public static final int BASE_PRODUCTIVITY = 25;
    public static final int ADDITIONAL_PRODUCTIVITY = 25;
}

public class Constants {
    public static final int PLANETS_PER_PLAYER = 6;
    public static final int EXTRA_PLANETS = 4;

    public static final int DRAG = 3;
    public static final int MAX_SPEED = 30;
    public static final int MAX_ACCELERATION = 10;

    public static final short MAX_SHIP_HEALTH = 255;
    public static final short BASE_SHIP_HEALTH = 127;
    public static final short DOCKED_SHIP_REGENERATION = 32;

    public static final int WEAPON_COOLDOWN = 1;
    public static final int WEAPON_RADIUS = 5;
    public static final int WEAPON_DAMAGE = 64;

    public static final int MAX_DOCKING_DISTANCE = 4;
    public static final int DOCK_TURNS = 5;
    public static final int PRODUCTION_PER_SHIP = 100;
}

Update game constants in Java starter kit
Update game constants in Java starter kit
