Decision making is the ability to select the correct alternative from among all of the wrong alternative ways to solve a problem.
Answer the following statement true (T) or false (F)
False
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In C++, some of the following are legal identifiers. Which? Why?
a. 9xyz b. Xyz c. X+yz d. xy_z e. xyz!
Answer the following questions true (T) or false (F)
1. GUIs are windowing interfaces that handle user input and output. 2. In event-driven programming, your program determines the order in which things happen.
What does the output statement in main() print out? What is wrong with the implementation of factorial() in this class?
``` public class BadFactorial { private int n; public static long factorial () { if ( n == 1 ) // base case; recursion ends return 1; // return a result else { // recursive case: update input size to // get closer to base case and iterate again n = n – 1; return n * factorial(); } } public static main() { n = 4; System.out.println("factorial 4 is " + factorial() ); } } ```
You can erase a DVD-ROM.
Answer the following statement true (T) or false (F)