GUI components are excellent examples of the best principles of object-oriented programming; they represent objects with attributes and methods that operate like ____.
A. trap doors
B. black boxes
C. a procedural function
D. a while loop
Answer: B
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(a) Shape (b) Graphics (c) Image (d) String
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A. Sharing B. General C. Ports D. Advanced
The following is an example of a recursive function.void print(int x){ if (x > 0) { cout
Answer the following statement true (T) or false (F)
Which of the following statements is true?
``` Segment 1 Segment 2 int i = 0; for (int i=0; i <= 20; ++i) while (i < 20) { { Console.WriteLine (i); ++i; } Console.WriteLine (i); } ``` a) The output from these segments is not the same. b) The scope of the control variable i is different for the two segments. c) Both (a) and (b) are true. d) Neither (a) nor (b) is true.