Question 1

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. 
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.

Question 2

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; 
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;

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

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

Accepted Answer

A) True 
 B)False

Question 5

The value of a variable may change during program execution.

Accepted Answer

A) True 
 B)False

Question 6

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 valid 
A)  Only (i) is valid 
B)  (i) and (ii) are valid 
C)  (ii) and (iii) are valid 
D)  (i) and (iii) are valid

Question 7

Which of the following is a valid char value?

Accepted Answer

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

Question 8

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 9

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

Accepted Answer

A) True 
 B)False

Question 10

The value of the expression 14 % 3 is ____.

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

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

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

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

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

The value of a variable may change during program execution.

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;

Which of the following is a valid char value?

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.

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

The value of the expression 14 % 3 is ____.

An Overview of Computers and Programming Languages

Introduction to Objects and Input/output

Control Structures I: Selection

Control Structures II: Repetition

Graphical User Interface GUI and Object-Oriented Design OOD

User-Defined Methods

User-Defined Classes

Arrays

Inheritance and Polymorphism

Handling Exceptions and Events

Advanced Guis and Graphics

Recursion

Applications of Arrays Searching and Sorting and Strings

Filters

Exam 2: Basic Elements of Java

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

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

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

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

The value of a variable may change during program execution.

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;

Which of the following is a valid char value?

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.

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

The value of the expression 14 % 3 is ____.

An Overview of Computers and Programming Languages

Introduction to Objects and Input/output

Control Structures I: Selection

Control Structures II: Repetition

Graphical User Interface GUI and Object-Oriented Design OOD

User-Defined Methods

User-Defined Classes

Arrays

Inheritance and Polymorphism

Handling Exceptions and Events

Advanced Guis and Graphics

Recursion

Applications of Arrays Searching and Sorting and Strings

Filters