The Template Method pattern suggests that I should move common boilerplate code up the inheritance hierarchy, deferring algorithmic details to child classes.
Template Method模式建议，应当将公共模板代码移到继承层次结构之上，将算法细节推迟到子类。
But he cannot move the pot. Just then, he thinks up a better method: one by one he puts into the pot. With each stone(increases), the water level gradually increases.
这时，乌鸦想起了他曾经使用的办法，用口叼着石子投到水罐里，随着石子的增多，罐里的水也就逐渐地升高了。
应用推荐