Question

I want to know that if I have this in my constructor:

public class Foo {
    private final String param1;
    private final String param2;

    foo() { this.param1 = "param1";  }     
}

Now i want to know that if i retrieve object from database then does same constructor gets called or it only happens at first time only

Answer 1

Yes, Hibernate invokes the no-arg constructor for every entity instance it creates and populates. Your above code is not Java code, though.