Question 1

Suppose console is a Scanner object initialized with the standard input device. The expression console.nextInt(); is used to read one int value and the expression console.nextDouble(); is used to read two int values.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following statements about a named constant is NOT true?

Accepted Answer

A)   Its content cannot change during program execution.
B)   Its value can be changed during program execution.
C)   It is a memory location.
D)   It is declared using the reserved word final.E) A) and B)
F) B) and C)

Question 3

If ++x is used in an expression, first the expression is evaluated, and then the value of x is incremented by 1.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following is a valid char value?

Accepted Answer

A)   '$_'
B)   '%'
C)   'n\'
D)   "a"E) A) and B)
F) A) and C)

Question 5

An operator that has only one operand is called a unique operator.

Accepted Answer

A) True 
 B)False

Question 6

The value of the expression 14 % 3 is ____.

Accepted Answer

A)   1
B)   2
C)   3
D)   4E) B) and C)
F) All of the above

Question 7

The character sequence 
 moves the insertion point at the end of the current line.

Accepted Answer

A) True 
 B)False

Question 8

Suppose that alpha and beta are int variables. The statement alpha = --beta; is equivalent to the statement(s)  ____.

Accepted Answer

A)   beta = beta - 1; alpha = 1 - beta;
B)   beta = beta - 1; alpha = beta - 1;
C)   beta = beta - 1; alpha = beta;
D)   alpha = beta; beta = beta - 1;E) B) and C)
F) A) and B)

Question 9

The value of a variable may change during program execution.

Accepted Answer

A) True 
 B)False

Question 10

Given
Char ch;
Int num;
Double pay; Which of the following assignment statements are valid?
(i)  ch = ' * ' ;
(ii)  pay = num * pay;
(iii)  rate * 40 = pay;

Accepted Answer

A)   Only (i)  is valid
B)   (i)  and (ii)  are valid
C)   (ii)  and (iii)  are valid
D)   (i)  and (iii)  are validE) None of the above
F) A) and D)

Exam 2: Basic Elements of Java

The value of the expression 14 % 3 is ____.

Correct Answer
verified

If ++x is used in an expression, first the expression is evaluated, and then the value of x is incremented by 1.

Correct Answer
verified

Suppose that alpha and beta are int variables. The statement alpha = --beta; is equivalent to the statement(s) ____.

Correct Answer
verified

Which of the following statements about a named constant is NOT true?

Correct Answer
verified

The value of a variable may change during program execution.

Correct Answer
verified

An operator that has only one operand is called a unique operator.

Correct Answer
verified

The character sequence \n moves the insertion point at the end of the current line.

Correct Answer
verified

Which of the following is a valid char value?

Correct Answer
verified

Given Char ch; Int num; Double pay; Which of the following assignment statements are valid? (i) ch = ' * ' ; (ii) pay = num * pay; (iii) rate * 40 = pay;

Correct Answer
verified

Suppose console is a Scanner object initialized with the standard input device. The expression console.nextInt(); is used to read one int value and the expression console.nextDouble(); is used to read two int values.

Correct Answer
verified

Exam 2: Basic Elements of Java

The value of the expression 14 % 3 is ____.

Correct AnswerverifiedShow Answer

If ++x is used in an expression, first the expression is evaluated, and then the value of x is incremented by 1.

Correct AnswerverifiedShow Answer

Suppose that alpha and beta are int variables. The statement alpha = --beta; is equivalent to the statement(s) ____.

Correct AnswerverifiedShow Answer

Which of the following statements about a named constant is NOT true?

Correct AnswerverifiedShow Answer

The value of a variable may change during program execution.

Correct AnswerverifiedShow Answer

An operator that has only one operand is called a unique operator.

Correct AnswerverifiedShow Answer

The character sequence \n moves the insertion point at the end of the current line.

Correct AnswerverifiedShow Answer

Which of the following is a valid char value?

Correct AnswerverifiedShow Answer

Given Char ch; Int num; Double pay; Which of the following assignment statements are valid? (i) ch = ' * ' ; (ii) pay = num * pay; (iii) rate * 40 = pay;

Correct AnswerverifiedShow Answer

Suppose console is a Scanner object initialized with the standard input device. The expression console.nextInt(); is used to read one int value and the expression console.nextDouble(); is used to read two int values.

Correct AnswerverifiedShow Answer

Correct Answer
verified

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Correct Answer
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