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

You've missed the biggest pro of having a constructor with loads of parameters: it lets you create immutable types.

The normal way of creating immutable types without huge constructor nastiness is to have a helper type - a builder which maintains the values you'll want in your final object, then builds the immutable object when you're ready.