hrows a NullPointerException if the value is nullReturns the value if it is not null, otherwise returns nullIgnores null values and proceeds with the operationConverts a nullable type to a non-nullable type

What will happen when you try to access an object reference with a null value?  You will get a compilation error.  An empty object is returned.  NullPointerException.  The value null is retrieved from the memory location.

Which exception is thrown when a string contains null?Options: Pick one correct answer from belowArithmeticExceptionClassNotFoundExceptionNullPointerExceptionNone of the above

What is the SQL keyword used to specify that a column can contain NULL values?OptionsNOT NULLALLOW NULLNULL ABLEWITH NULLS

What is a NULL Value?A NULL value is a zero valueA NULL value is a field that contains spacesA field with a NULL value is a field with no value.A NULL value is different from a zero value or a field that contains spaces

A type II error isa) failing to reject the null when it is false b) rejecting the null when it is true