Experience Bar Cap in Minecraft 1.8.8

 /**
     * This method returns the cap amount of experience that the experience bar can hold. With each level, the
     * experience cap on the player's experience bar is raised by 10.
     */
    public int xpBarCap()
    {
        return this.experienceLevel >= 30 ? 112 + (this.experienceLevel - 30) * 9 : (this.experienceLevel >= 15 ? 37 + (this.experienceLevel - 15) * 5 : 7 + this.experienceLevel * 2);
    }