NEW STEP BY STEP MAP FOR JAV THIS

The . is simply the standard member accessibility, it works in the exact same way as in all other situation, practically nothing Specific is occurring in the event of this.，我们可以引用当前对象的成员变量、调用当前对象的其他方法，甚至在构造方法中调用其他构造方法。这使得代码更加清晰、可读性�