Question 1

The System.out.printf method formats a string and displays it in the console window.

Accepted Answer

A) True 
 B)False  True

Question 2

If str1 and str2 are both String objects, which of the following expressions will correctly determine whether or not they are equal?

Accepted Answer

A)  str1 = str2 
B)  str1 && str2 
C)  str1.equals(str2) 
D)  str1 += str2 
A)  str1 = str2 
B)  str1 && str2 
C)  str1.equals(str2) 
D)  str1 += str2 C

Question 3

Which of the following statements determines whether the variable temp is within the range of 0 through 100 (inclusive)?

Accepted Answer

A) if (temp >= 0 && temp 0 && temp = 0 || temp 0 || temp < 100) A) if (temp >= 0 && temp 0 && temp = 0 || temp 0 || temp < 100) A

Question 4

In an if-else statement, if the boolean expression is false then

Accepted Answer

A)  no statements or blocks are executed 
B)  the statement or block following the else is executed 
C)  the first statement or block is executed 
D)  all the statements or blocks are executed 
A)  no statements or blocks are executed 
B)  the statement or block following the else is executed 
C)  the first statement or block is executed 
D)  all the statements or blocks are executed

Question 5

A __________ is a boolean variable that signals when some condition exists in the program.

Accepted Answer

A)  sentinel 
B)  flag 
C)  block 
D)  case 
A)  sentinel 
B)  flag 
C)  block 
D)  case

Question 6

Which of the following is the correct boolean expression to test for: int x being a value between, but not including, 500 and 650, or int y not equal to 1000?

Accepted Answer

A)  ((x >= 500 && x  500 AND x  500 && x  650) || !(y == 1000)) 
A)  ((x >= 500 && x  500 AND x  500 && x  650) || !(y == 1000))

Question 7

When testing for character values, the switch statement does not test for the case of the character.

Accepted Answer

A) True 
 B)False

Question 8

What does the following code display? 
double x = 12.3798146;
System.out.printf("%.2f
", x);

Accepted Answer

A)  123798146 
B)  1238 
C)  %12.38 
D)  12.38 
A)  123798146 
B)  1238 
C)  %12.38 
D)  12.38

Question 9

Which of the following is the correct boolean expression to test for: int x being a value less than or equal to 500 or greater than 650, or int y not equal to 1000?

Accepted Answer

A)  ((x >= 500 && x  650) AND !)) 
C)  ((x >= 500 || x  650) && !(y == 1000)) 
A)  ((x >= 500 && x  650) AND !)) 
C)  ((x >= 500 || x  650) && !(y == 1000))

Question 10

What will be the value of discountRate after the following statements are executed? 
double discountRate;
Char custType = 'B';
Switch (custType)
{
Case 'A':
DiscountRate = 0.08;
Break;
Case 'B':
DiscountRate = 0.06;
Case 'C':
DiscountRate = 0.04;
Default:
DiscountRate = 0.0;
}

Accepted Answer

A)  0.08 
B)  0.06 
C)  0.04 
D)  0.0 
A)  0.08 
B)  0.06 
C)  0.04 
D)  0.0

Question 11

The __________ statement is used to create a decision structure which allows a program to have more than one path of execution.

Accepted Answer

A)  block 
B)  if 
C)  null 
D)  flag 
A)  block 
B)  if 
C)  null 
D)  flag

Question 12

What would be the value of bonus after the following statements are executed? int bonus, sales = 1250;
If (sales > 1000)
Bonus = 100;
If (sales > 750)
Bonus = 50;
If (sales > 500)
Bonus = 25;
Else
Bonus = 0;

Accepted Answer

A)  100 
B)  500 
C)  25 
D)  0 
A)  100 
B)  500 
C)  25 
D)  0

Question 13

When testing for character values, the switch statement does not test for the case of the character.

Accepted Answer

A) True 
 B)False

Question 14

What does the following code display? 
int d = 9, e = 12;
System.out.printf("%d %d
", d, e);

Accepted Answer

A)  %d %d 
B)  9 12 
C)  %d 9 
D)  %9 %12 
A)  %d %d 
B)  9 12 
C)  %d 9 
D)  %9 %12

Question 15

Unicode is an international encoding system that is extensive enough to represent all the characters of all the world's alphabets.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following will format 12.78 to display as 12.8%?

Accepted Answer

A)  System.out.printf("%2.1d%", 12.78); 
B)  System.out.printf("%.2f%%", 12.78); 
C)  System.out.printf("%1.2d%", 12.78); 
D)  System.out.printf("%.1f%%", 12.78); 
A)  System.out.printf("%2.1d%", 12.78); 
B)  System.out.printf("%.2f%%", 12.78); 
C)  System.out.printf("%1.2d%", 12.78); 
D)  System.out.printf("%.1f%%", 12.78);

Question 17

The String.format method works exactly like the System.out.printf method, except that it does not display the formatted string on the screen.

Accepted Answer

A) True 
 B)False

Question 18

A local variable's scope always ends at the closing brace of the block of code in which it is declared.

Accepted Answer

A) True 
 B)False

Question 19

All it takes for an OR expression to be true is for one of the subexpressions to be true.

Accepted Answer

A) True 
 B)False

Question 20

What will be the value of pay after the following statements are executed? 
int hours = 45;
Double pay, payRate = 10.00;
Pay = hours <= 40 ? hours * payRate :
40 * payRate + (hours - 40) *payRate * 1.5;

Accepted Answer

A)  400.00 
B)  450.00 
C)  465.00 
D)  475.00 
A)  400.00 
B)  450.00 
C)  465.00 
D)  475.00

The System.out.printf method formats a string and displays it in the console window.

If str1 and str2 are both String objects, which of the following expressions will correctly determine whether or not they are equal?

Which of the following statements determines whether the variable temp is within the range of 0 through 100 (inclusive)?

In an if-else statement, if the boolean expression is false then

A __________ is a boolean variable that signals when some condition exists in the program.

Which of the following is the correct boolean expression to test for: int x being a value between, but not including, 500 and 650, or int y not equal to 1000?

When testing for character values, the switch statement does not test for the case of the character.

What does the following code display? double x = 12.3798146; System.out.printf("%.2f\n", x);

Which of the following is the correct boolean expression to test for: int x being a value less than or equal to 500 or greater than 650, or int y not equal to 1000?

What will be the value of discountRate after the following statements are executed? double discountRate; Char custType = 'B'; Switch (custType) { Case 'A': DiscountRate = 0.08; Break; Case 'B': DiscountRate = 0.06; Case 'C': DiscountRate = 0.04; Default: DiscountRate = 0.0; }

The __________ statement is used to create a decision structure which allows a program to have more than one path of execution.

What would be the value of bonus after the following statements are executed? int bonus, sales = 1250; If (sales > 1000) Bonus = 100; If (sales > 750) Bonus = 50; If (sales > 500) Bonus = 25; Else Bonus = 0;

When testing for character values, the switch statement does not test for the case of the character.

What does the following code display? int d = 9, e = 12; System.out.printf("%d %d\n", d, e);

Unicode is an international encoding system that is extensive enough to represent all the characters of all the world's alphabets.

Which of the following will format 12.78 to display as 12.8%?

The String.format method works exactly like the System.out.printf method, except that it does not display the formatted string on the screen.

A local variable's scope always ends at the closing brace of the block of code in which it is declared.

All it takes for an OR expression to be true is for one of the subexpressions to be true.

What will be the value of pay after the following statements are executed? int hours = 45; Double pay, payRate = 10.00; Pay = hours <= 40 ? hours * payRate : 40 * payRate + (hours - 40) payRate 1.5;

Introduction to Computers and Java

Java Fundamentals

Loops and Files

Methods

A First Look at Classes

Arrays and the Arraylist Class

A Second Look at Classes and Objects

Text Processing and More About Wrapper Classes

Inheritance

Exceptions and Advanced File Io

Java-Fx: Gui Programming and Basic Controls

Java-Fx: Advanced Controls

Java-Fx: Graphics, Effects, and Media

Recursion

Databases

Filters

Exam 3: Decision Structures

The System.out.printf method formats a string and displays it in the console window.

If str1 and str2 are both String objects, which of the following expressions will correctly determine whether or not they are equal?

Which of the following statements determines whether the variable temp is within the range of 0 through 100 (inclusive)?

In an if-else statement, if the boolean expression is false then

A __________ is a boolean variable that signals when some condition exists in the program.

Which of the following is the correct boolean expression to test for: int x being a value between, but not including, 500 and 650, or int y not equal to 1000?

When testing for character values, the switch statement does not test for the case of the character.

What does the following code display? double x = 12.3798146; System.out.printf("%.2f\n", x);

Which of the following is the correct boolean expression to test for: int x being a value less than or equal to 500 or greater than 650, or int y not equal to 1000?

What will be the value of discountRate after the following statements are executed? double discountRate; Char custType = 'B'; Switch (custType) { Case 'A': DiscountRate = 0.08; Break; Case 'B': DiscountRate = 0.06; Case 'C': DiscountRate = 0.04; Default: DiscountRate = 0.0; }

The __________ statement is used to create a decision structure which allows a program to have more than one path of execution.

What would be the value of bonus after the following statements are executed? int bonus, sales = 1250; If (sales > 1000) Bonus = 100; If (sales > 750) Bonus = 50; If (sales > 500) Bonus = 25; Else Bonus = 0;

When testing for character values, the switch statement does not test for the case of the character.

What does the following code display? int d = 9, e = 12; System.out.printf("%d %d\n", d, e);

Unicode is an international encoding system that is extensive enough to represent all the characters of all the world's alphabets.

Which of the following will format 12.78 to display as 12.8%?

The String.format method works exactly like the System.out.printf method, except that it does not display the formatted string on the screen.

A local variable's scope always ends at the closing brace of the block of code in which it is declared.

All it takes for an OR expression to be true is for one of the subexpressions to be true.

What will be the value of pay after the following statements are executed? int hours = 45; Double pay, payRate = 10.00; Pay = hours <= 40 ? hours * payRate : 40 * payRate + (hours - 40) *payRate * 1.5;

Introduction to Computers and Java

Java Fundamentals

Loops and Files

Methods

A First Look at Classes

Arrays and the Arraylist Class

A Second Look at Classes and Objects

Text Processing and More About Wrapper Classes

Inheritance

Exceptions and Advanced File Io

Java-Fx: Gui Programming and Basic Controls

Java-Fx: Advanced Controls

Java-Fx: Graphics, Effects, and Media

Recursion

Databases

Filters

What will be the value of pay after the following statements are executed? int hours = 45; Double pay, payRate = 10.00; Pay = hours <= 40 ? hours * payRate : 40 * payRate + (hours - 40) payRate 1.5;