null object pattern造句

例句与造句

1. C # is a language in which the Null Object pattern can be properly implemented.
2. Using the null object pattern, one can create a special version of the procedure but only for null nodes:
3. The null object pattern solves this problem by providing a special NullAnimal class which can be instantiated as an object of type Animal.
4. The null object pattern solves this problem by providing a special null _ animal class which can be instantiated bound to an animal pointer or reference.
5. It's difficult to find null object pattern in a sentence. 用null object pattern造句挺难的