A(n) ____ is a structure consisting of nodes and links between them.
A. hypermedia
B. hypertext
C. HTML
D. hyperlink
Answer: B
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Please download the code provided at the exercise portal. It contains a partial implementation of the Sudoku game. Your task is to improve the implementation using patterns.
Implementation of patterns Check if there are any fields left that contain zeroes o Check every column of the puzzle if there are duplicate numbers o Check every row of the puzzle if there are duplicate numbers o Check every box of the puzzle if there are duplicate numbers 2. Think of an alternative implementation of the class SudokuBoard and implement it. Use the Abstract Factory pattern to create a class that instantiates the SudokuBoard implementation of your choice. 3. Add a new button to the game panel that triggers completion of a partially completed puzzle. That is, the user can input some numbers (maybe typing in the puzzle from a newspaper) and let an algorithm complete it. We want you to use the provided implementation of SudokuBoard in this case. That leads to the following problem: Our implementation of a Sudoku solver needs an array of integers as input, but SudokuBoard has no method with matching output. Use the Adapter pattern to provide an adapter that deals with that problem.
A typeface in which each character has the same width and is often used to display programming code is ______
A. monospace B. serif C. cursive D. fantasy
Which circumstance is an exception to the catch or declare rule?
(a) Exceptions that result from errors of some sort. (b) Exceptions that are descendents of the class RuntimeException. (c) Both A and B (d) None of the above
Which of the following statements best describes why an evaluator must validate the results of an evaluation performed using analytical models?
a) Systems are often too complex to model accurately, so the results of analytical models are often erroneous. b) The evaluator needs the results of other performance evaluations to build the model in the first place. c) Analytical models are useful in the development process, but many consumers distrust or do not understand analytical models. A vendor must validate the results of an analytical model before presenting the results to potential customers. d) In general, it is a good idea to use multiple techniques to test a system. Additionally, because an evaluator often must make simplifying assumptions to model complex systems, other evaluations should be done to verify that these assumptions are valid.