Which of the following statements is false?
a) In general, as you study any programming language, if the language specification says that doing something can lead to undefined behavior, avoid doing it to prevent security vulnerabilities.
b) The C standard specifies the exact behavior for every case in which incorrect library-function arguments are passed to a library function.
c) Undefined behaviors can occur when using printf with improperly formed conversion specifications.
d) None of the above.
b) The C standard specifies the exact behavior for every case in which incorrect library-function arguments are passed to a library function.
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Answer the following statements true (T) or false (F)
1. Streams may be passed to a function. 2. You may use a read (extraction) as a boolean expression in an if or while statement. 3. Using directives can be placed either directly after the include directives, or at the beginning of each function definition. 4. '\n' is two characters. 5. Data that is sent to an output stream representing a file will be immediately saved to disk.
Suppose in the very early stages of the problem-solving process, your supervisor wants you to show the relationships between the various processes that will be needed to solve the problem. The best way to do this would be to use
(A) a top-down chart. (B) a flowchart. (C) a sample program. (D) pseudocode.
A criticism of the break statement and the continue statement is that each is unstructured. Actually, these statements can always be replaced by structured statements, although doing so can be awkward. Describe in general how you’d remove any break statement from a loop in a program and replace it with some structured equivalent. [Hint: The break statement exits a loop from the body of the loop. The other way to exit is by failing the loop-continuation test. Consider using in the loop- continuation test a second test that indicates “early exit because of a ‘break’ condition.”] Use the tech- nique you develop here to remove the break statement.
What will be an ideal response?
When the arrow on a JComboBox is clicked:
a. an ItemEvent occurs. b. a scrollbar always appears. c. an ActionEvent occurs. d. The JComboBox expands to a list.