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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:宗介与高卢决战之后，宗介继续担任千鸟的贴身保镖，可是他的性格无疑又为校园的安全和世界的和平蒙上了层层阴影，作为学生会副主席的千鸟当然不能袖手旁观，在宗介作出一些危险的事情之后，一场痛打是免不了的……　　于敏（雷佳音 饰）：从少年、青年和中年三个时期讲述他投身国防安全事业的故事。祠堂中气氛肃穆，大家都对着神龛位叩拜，爷爷都说哭了，爹也说了许多话，大哥三哥也说了许多话，可是祖宗一直不吭声，他心里便有些莫名哀伤。发生在Edie身上的一件事会在Fairview的左邻右舍中引起怎样的反应？Lynette的癌症病情进展如何？小区里又搬来了新邻居，他们又是什么人？ 一切都即将在9月30日《绝望家庭主妇》第四季首播中找到答案。项梁这一遭算是栽了，不过栽到大哥手中，不冤。