In C++, some of the following are legal identifiers. Which? Why?
a) 9xyz
b) Xyz
c) X+yz
d) xy_z
e) xyz!
a) 9xyz no – An identifier cannot start with a digit
b) Xyz yes. An identifier may have upper and lower case letters
c) X+yz no – This has an illegal ‘+’.
d) xy_z yes.
e) xyz! no – This has an illegal ‘!’.
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A. Administrative Privileges Toolkit B. Private Toolkit C. Secure Toolkit D. Application Compatibility Toolkit
Analyze the following code:
``` public class Test { private int t; public static void main(String[] args) { int x; System.out.println(t); } } ``` a. The variable t is not initialized and therefore causes errors. b. The variable t is private and therefore cannot be accessed in the main method. c. t is non-static and it cannot be referenced in a static context in the main method. d. The variable x is not initialized and therefore causes errors. e. The program compiles and runs fine.
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What will be an ideal response?
To restate an idea using different words from those in the original is to ____.
A. pirate B. plagarize C. paraphrase D. none of the above