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

1) By default, instance variables are not initialized.
2) Instance variables are required to be explicitly initialized before they’re
used in a program.
3) Making a class’s instance variables public and its methods private and
accessing those instance variables only through the class’s methods and properties facilitates debugging, because problems with data manipulations are localized to the methods (and properties).
4) An attempt by a method that’s not a member of a particular class to
access a private member of that class is a runtime error.

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