Exercise 2.49 Use s e g m e n t s − > p a i n t e r segments->painter segments−>painter to define the following primitive painters: a. The painter that draws the outline of the designated frame. b. The painter that draws an “X” by connecting …
前言
在现代软件工程中,设计模式是解决常见问题的有效工具之一。它们吸收了前人的经验,不仅帮助开发者编写更清晰、更可维护的代码,还能促进团队之间的沟通和协作。责任链模式(Chain of Responsibility Pattern)作为一…