To use an inherited method, an object must be cast to the superclass before using that method.
Answer the following statement true (T) or false (F)
False
Because C#, Java, and Objective-C support polymorphism, objects of a subclass can be used as if they are an object of the superclass.
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What is the difference between an “open system” and an open source system?
What will be an ideal response?
Case-Based Critical Thinking Question ? Sophia has a website that promotes her hairstyling business. She wants to expand her new customer contact form with a few additional questions. Sophia wants to include a single set of buttons asking about different aspects of the client's hair, including length, color, and curl. To allow clients to select more than one box in the set, she should use __________.
A. check boxes B. option buttons C. either a or b D. neither a nor b
A box on a slide that holds title and body text or other content.
What will be an ideal response?
When working with stop-and-wait error control, the amount of time a station waits before retransmitting a packet is called ____.?
A. ?stop time B. ?ACK time C. ?NAK time D. ?timeout