Yes, this solves the problem but doesn't really make it clear that we're dealing with null's in the constructor. I feel like the example in the post is not the best because it's just returning a value from the method. If the behaviour was more complex, then you might want to do something specific if the case where we have null. That's where the null object pattern really shines.
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Yes, this solves the problem but doesn't really make it clear that we're dealing with null's in the constructor. I feel like the example in the post is not the best because it's just returning a value from the method. If the behaviour was more complex, then you might want to do something specific if the case where we have
null. That's where thenull object patternreally shines.