Conceptually, compilers synthesize a default constructor for every class or struct, unless a constructor was already defined by the user. However, in certain conditions (a simple data struct, for example),
It’s possible to create mailto links that include a subject line in addition to just the recipient’s e-mail address, however, not all e-mail programs support this functionality. That said, to
A garbage collector is handy, since it eliminates a big source for bugs, runtime crashes and memory leaks. However, garbage collection is not for free; it incurs additional runtime overhead