Constructor with all class properties or default constructor with setters?

Question

Following are the two approaches:

• constructor with all the class properties

Pros: I have to put an exact number of types of parameters so if I m

Answer 1

Who says you can't do both? I'd say mandatory properties go into the constructor, optional ones are handled with setters. BTW, who says you always need one setter per property? If two properties belong together conceptually, why not set them together?

I like the Builder pattern too, but the most important rule is: always use your brain and find the design that best fits the specific problem. There's no one-size-fits-all solution.