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Decorator mode is also called Wrapper mode, which can dynamically add some additional functions to an object. Decorator mode is more flexible than the way of inheriting and generating subclasses. Although decorator mode can dynamically attach responsibilities to objects, it will also cause some small objects to be generated, increasing the complexity of the system. The specific structure diagram is shown below.未来40年后，豪华太空游轮“第5大道”遭遇技术难题，乘客对此心怀不满、意外频发，船长和船员不得不小心驶得万年船。Before SSL data transmission, both communication parties need to shake hands with SSL, negotiate encryption algorithm to exchange encryption keys, and carry out identity verification. Usually such SSL only needs one time, but there is a Renegotiation option in SSL protocol, through which the secret key can be renegotiated to establish a new secret key.About HC Branch's Buying and Selling Channel Advertising Service Website Navigation Opinions Complaints Legal Statement Help Center Friendship Link Mobile Phone Extreme Edition然终因范睢谗言，被秦王赐死。A2.4. 4 Vitiligo with small range of non-exposed parts is qualified.6