Office is a child of building. both classes contain a public instance method named doctorsoffice is a reference to an object of the office class that has been created by code in the createoffice class. the next line of code in the createoffice class that will call the getroomnum() method in the building class portion of the object is the followinga)getroomnum(); b)doctorsoffice. getroomnum(); c)super. getroomnum(); d)building. getroomnum(); e)code in createoffice cannot call the getroomnum() method in building.

Perform the following tasks: a. create a class named testclass that holds a single private integer field and a public constructor. the only statement in the constructor is one that displays the message “constructing”. write a main()function that instantiates one object of the testclass. save the file as testclass.cpp in the chapter 08 folder. run the program and observe the results. b. write another main()function that instantiates an array of 10 testclass objects. save the file as test class array.c . run this program and observe the results.

In a word processing program, such as microsoft word, which feature to you choose the desired picture enhancement?

Why were most movies from the late 1890s until the early 1930s only filmed in black and white? there were only a few people who could afford the technology to produce color motion pictures back then. audiences did not want color motion pictures until later. the film used to make color motion pictures often overheated, which was a safety hazard, so it was generally not allowed. color films had to be hand-colored, frame by frame.