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France 300, 200, 000, 500, 000 endorsements 28The code looks a little improved, but it still has the following disadvantages:After proxy!Bridging mode is to separate things from their concrete implementation so that they can change independently. The purpose of bridging is: Decoupling abstraction and implementation, So that the two can be changed independently, Like our commonly used JDBC bridge DriverManager, when JDBC connects databases, it switches between databases without moving too much code or even at all. The reason is that JDBC provides a unified interface, each database provides its own implementation, and a program called database driver is used to bridge. Let's look at the diagram:Another parent said that when his child was three or four years old, he found that his child had inattention and other phenomena, but he did not know how to solve them at that time, thus seriously affecting his child's academic performance after going to school. "The children have also developed a rebellious attitude towards our discipline and have gradually become naughty children in the class. We are especially anxious and have been recommended to enroll in the thinking ability training course."小葱忽然喝道：你还想什么？把所有的事都烂在肚子里，好好地娶妻生子，才对得起你爹娘和哥哥。