Answer the following statements true (T) or false (F)

1) Command-line arguments allow the user to pass information into an app
as it begins executing.
2) Passing a reference with keyword ref gives the called method control over
the passed reference itself.
3) When a method receives a reference-type object parameter by value, the
object is actually passed by value.
4) To protect the reference of an array, it should be passed to methods with
keyword val.

1) T
2) T
3) F
4) F