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Unformatted text preview: UNIT 16 TEST 1. Answer the follow questions. a. What is the difference between a shallow and deep copy? b. (true/false) A method is declared constant by placing the keyword const at the end of the method declaration. c. (true/false) Every operator in C++ can be overloaded in a class you create. d. (true/false) The operators << and >> cannot be overloaded. e. What does the C++ keyword 'friend' mean? a)A shallow copy only copies the pointers and not the objects to which they point. The result is two objects that point to the same contained object. Whereas, A deep copy copies the pointers and the objects they point to, as well as any pointers or objects contained within that object, and so on. b) True c) False, there are a few that can't. d) False, they can be. e) You can co-join classes so that they have access to each others private data. 2. Override the - operator (minus) for the ComplexNumber class. It should subtract both the real and imaginary components of the second number from the first number. Test your program in your main function with the complex number calculation (4-5i) - (3+5i) and print the result to the screen using the stream insertion operator. Turn in copies of all three files needed to compile stream insertion operator....
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This note was uploaded on 10/02/2011 for the course ME 205 taught by Professor Koen during the Spring '07 term at University of Texas.
- Spring '07