Q81. What is the argument type of a program's main() method?
  A program's main() method takes an argument of the String[] type.
Q82. Which Java operator is right associative?
  The = operator is right associative.
Q83. What is the Locale class?
  The Locale class is used to tailor program output to the conventions  of a particular
geographic, political, or cultural region.
Q84. Can a double value be cast to a byte?
  Yes, a double value can be cast to a byte.