Which of the following operations do bidirectional iterators have?
a) Prefix operator* to make available the container element for use as l-value or
r-value.
b) Overloaded operator+ to add an int value to the iterator to move the place
the iterator points forward by the argument number of elements.
c) Overloaded operator* to multiply the iterator by an int value to move the
place the iterator points by a number of elements equal to the argument.
d) Overloaded operator++ to move the place the iterator points forward by one
element.
e) Overloaded operator-- to move the place the iterator points backward by one
element.
f) Overloaded operator== and operator!= to determine whether two
iterators point to the same element.
a) Prefix operator* to make available the container element for use as l-value or
r-value
d) Overloaded operator++ to move the place the iterator points forward by one
element.
e) Overloaded operator-- to move the place the iterator points backward by one
element.
f) Overloaded operator== and operator!= to determine whether two
iterators point to the same element.
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A(n) ____________________ is another way to refer to an object reference variable.
a) referer b) pointer c) stack collection d) primitive variable e) instantiated object
Create a base class called Vehicle that has the manufacturer’s name (type String), number of cylinders in the engine (type int), and owner (type Person given in Listing 8.1). Then create a class called Truck that is derived from Vehicle and has additional properties: the load capacity in tons (type double, since it may contain a fractional part) and towing capacity in tons (type double).
Give your classes a reasonable complement of constructors and accessor methods, and an equals method as well. Write a driver program (no pun intended) that tests all your methods. This project requires most of the same type of thinking as previous problems to write constructors, accessor and mutator methods except that one of Vehicle’s data members is an instance of a class rather than a fundamental data type (owner is an instance of the class Person). Operations involving the owner, therefore, must use the methods of the Person class. NOTE: early editions of the text may have an error in the definition of sameName()in Person. If the method definition is ``` return (this.name.equalsIgnoreCase(otherPerson.name));``` it should be changed to ``` return (this.name.equalsIgnoreCase(otherPerson.gettName())); ``` The sameName() method is called in the code for the equals method of Vehicle to test if two vehicles have the same owner. A methodical approach that makes this problem manageable is to develop one method in Vehicle, then write a test for the method in VehicleTest and run it. Add the next method to Vehicle only when VehicleTest runs successfully. When all the methods for Vehicle have been written and tested with VehicleTest, then do a similar piece-wise development for Truck and TruckTest, first testing all the methods inherited from Vehicle, then writing one new method at a time and testing it before going on to the next.
Match the following protocols to their protocol types:
I. http:// II. https:// III. mailto: IV. ftp:// V. file:// A. Hypertext Transfer Protocol B. Local computer file C. File Transfer Protocol D. Hypertext Transfer Protocol Secure E. E-mail
To find a contribution amount of $300 or greater, the entry in the Amount field's criteria should be:
A) >=300. B) >300. C) 300. D) >=$300.