OSU CSE 2221 Final Review 65

OSU CSE 2221 Final Review | 65 Questions with 100% Correct Answers | Verified | Latest Update

Question : The correct syntax for the "main" method signature

is:

• private static void main(String[] args)
• public static String main(String[] args)
• public static void main(String[] args)
• public void main(String[] args)
• none of the above

Correct answer: c

Question : The Java compiler does the following:

• checks a bytecode program in a ".class" file for run-time

errors and if there are none, it generates source code for that program in a ".java" file

• checks a source code program in a ".java" file for run-time

errors and if there are none, it generates bytecode for that program in a ".class" file

• checks a source code program in a ".java" file for compile-

time errors and, if there are none, it generates bytecode for that program in a ".class" file

• checks a bytecode program in a ".class" file for compile-

time errors and if there are none, it generates source code for that program in a ".java" file

• none of the above

Correct answer: c

Question : Which statement correctly defines a java constant?

• const SPECIAL = 1234;
• int SPECIAL = 1234;
• int final SPECIAL = 1234;
• final int SPECIAL = 1234;
• const int SPECIAL = 1234;

Correct answer: d

Question : What is the value of s after the following

statement:

String s = (!true) + " : " + (10 + 4) + " is 104";

a. "!true : 104 is 104"

b. "false : 104 is 104"

c. "!true : 14 is 104"

d. "false : 14 is 104"

• This is a compile-time error

Correct answer: d

Question : The Checkstyle plugin for Eclipse is useful

because:

• it warns you of potential compile-time errors
• it helps you make your code understandable for yourself

and other programmers

• it prevents your code from making errors caught by assert

statements

• it tells you when code you have written does not obey its

contract

• none of the above

Correct answer: b

Question : If x is an int variable, when does the boolean

expression evaluate to true?

((x % 5 != 0) && (x % 2 != 0))

• when x is divisible by 5 or by 2 but not by both
• when x is divisible by 10
• when x is not divisible by 10
• when x is neither divisible by 5 nor by 2
• when x is either divisible by 5 or by 2

Correct answer: d