Yes, Day of the Dead is celebrated in Chile. Though it is not a  time to necessarily dress up in a skeleton costume and party-it  is a much more somber holiday. Most busin â¦ esses will be closes and  many people will be at the cemeteries. Not in a sad way either, but  in a happy one.
NULL Statement The NULL statement is a no-op (no operation); it passes control to the next statement without doing anything. In the body of an IF-THEN clause, a loop, or a procedure, the NULL statement serves as a placeholder. For more information, see Using the NULL Statement. Syntax
Answer Wiki. You cannot have a null object in C++, and there is no need to check a reference to see if it's null because that doesn't make sense. The seed of your confusion is in failing to understand that in Java, all method parameters are passed by value. There is no such thing as pass by reference in Java.