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Javascript neither supports abstract classes nor has the concept of interfaces. Therefore, be very careful when using the state mode. If you forget to implement the buttonWasPressed method for a state subclass when writing a state subclass, an exception will be thrown when the state switches. Because Context always delegates requests to the buttonWasPressed method of the state object. Therefore, let the abstract method of the abstract parent class throw an exception directly, which will be found at least during the program run.This special type of yam (Dioscorea cirrhosa) contains a high amount of tannin, which, as previously mentioned, has protective properties, making the fibers more resistant from damage. It was found to be used especially in fishing net threads, which would indicate their overall durability and resistance to corrosion. When it comes to dyeing, one great feature of this vine is that it provides all就算眼下没娶，迟早也是要娶的，我帮大嫂带东西有什么不对？只要你娶的是女人，这红宝石她都能用。不过也有缺点，主要缺点就是工作上不近人情，对那些追求他的妹子们没有兴趣并且毒舌。但是又有一个理由让他必须假结婚，于是在他身边的Nateerin则帮了他与他假结婚，结婚的事情也没有公开，对他俩来说这是秘密。2. Hermit and Display of Intent9-13 Use OrderedDict: In Exercise 6-4, you used a standard dictionary to represent the vocabulary. Please use the OrderedDict class to override this program and make sure that the order of output is the same as the order in which you add key-value pairs to the dictionary. ?Physical Attack +34