The difference is dressing or without makeup.
a();
b(a);
a.doSomething()
b.doSomething(){a.doSomething(); b.doOthers() }
The difference is dressing or without makeup.
a();
b(a);
a.doSomething()
b.doSomething(){a.doSomething(); b.doOthers() }
本文标题：Decorator of design pattern
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