大香蕉

Adapter pattern of objects: When you want to convert an object into an object that meets another new interface, you can create a Wrapper class, hold an instance of the original class, and in the method of the Wrapper class, just call the method of the instance.云海燕声音平淡，如同局外人一样，说出相关数据。Gray-brown: eggplant, water caltrop* …(4) There is no infectious disease, and I and my family have no history of mental illness.MyHandler h2 = new MyHandler ("h2");The above design error stems from confusing the hierarchical structure of "role" with that of "person" and mistaking "Has-A" for "Is-A". The specific solution is to abstract a role class:Lin Lu is not only mentally retarded, but also impolite. On one occasion, in class, Lin Nian was always making jokes and fidgeting. The teacher said, "Next to him, check if Lin Nian has diapers because the little BB without diapers is making shocks all day." Lin Nian said angrily, "You just wrap diapers! You are the little BB!"