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samplemt - Sample CSE8A midterm Multiple Choice(circle...

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MIDTERM REAL NAME:___________________________________ CSE8A PID:___________________________________________ Sample CSE8A midterm Multiple Choice (circle one) (2 pts) Evaluate the following Boolean expressions and indicate whether “short-circuiting” happened during evaluation: Assume variables with the following names and values: int moos = 49; int quacks = 8; int temp = -5; Expression 1: ((quacks % 3) == 2) && (temp > -5) || (moos == (quacks+41)) 1. The Boolean expression above evaluates to which? true false 2. In the evaluation of that Boolean expression, did ANY short-circuiting of evaluation occur? YES NO 3. (1pt) What does the solitary “.” stand for in the Unix command below? Choose the most precise answer. cp MyStuff/J.java . (a) The current file. (b) The destination file. (c) The home directory. (d) The current directory. (e) A file created for our Lab classes. (f) The directory above the current directory. (g) The directory below the current directory. 4. (2pts) How many lines of output would be printed by the following code? for (int i = 0; i <= 40; i++) for (int j = 0; j < 3; j++) System.out.println("Ha!"); (a) 3 (b) 4 (c) 40 (d) 41 (e) 43 (f) 44 (g) 120 (h) 123 Page 1
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MIDTERM REAL NAME:___________________________________ CSE8A PID:___________________________________________ 5. (2pts) What is the result of running the following code? int x = 33; int y = 34; if (++x == y) System.out.println(“x: “ + x + “y: “ + y--); else System.out.println(“y: “ + y-- + “x: “ + x); Program Output:
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