Question 1

What is the value of ans after the following code has been executed?
Int x = 40;
Int y = 40;
Int ans = 0;
If (x = y)
Ans = x + 10;

Accepted Answer

A)  30 
B)  80 
C)  50 
D)  The code contains an error and will not compile. 
A)  30 
B)  80 
C)  50 
D)  The code contains an error and will not compile. D

Question 2

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  True

Question 3

Enclosing a group of statements inside a set of braces creates

Accepted Answer

A)  an expression. 
B)  a block of statements. 
C)  a relational operator. 
D)  an if-else statement. 
A)  an expression. 
B)  a block of statements. 
C)  a relational operator. 
D)  an if-else statement. B

Question 4

________ operators are used to determine whether a specific relationship exists between two values.

Accepted Answer

A)  Assignment 
B)  Arithmetic 
C)  Logical 
D)  Relational. 
A)  Assignment 
B)  Arithmetic 
C)  Logical 
D)  Relational.

Question 5

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 6

When two strings are compared using the String class's compareTo method, the comparison is case-insensitive.

Accepted Answer

A) True 
 B)False

Question 7

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

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 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 statements or blocks are executed.

Question 8

What would be the value of discountRate after the following statements are executed?
Double discountRate = 0.0;
Int purchase = 100;
If (purchase > 1000)
DiscountRate = 0.05;
Else if (purchase > 750)
DiscountRate = 0.03;
Else if (purchase > 500)
DiscountRate = 0.01;

Accepted Answer

A)  0.0 
B)  0.05 
C)  0.03 
D)  0.01 
A)  0.0 
B)  0.05 
C)  0.03 
D)  0.01

Question 9

The boolean expression in an if statement must evaluate to

Accepted Answer

A)  degrees or radians. 
B)  true or false. 
C)  positive or negative. 
D)  left or right. 
A)  degrees or radians. 
B)  true or false. 
C)  positive or negative. 
D)  left or right.

Question 10

What would 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

What would be the value of x after the following statements were executed?
Int x = 10;
Switch (x)
{
Case 10:
X += 15;
Case 12:
X -= 5;
Break;
Default:
X *= 3;
}

Accepted Answer

A)  30 
B)  20 
C)  25 
D)  5 
A)  30 
B)  20 
C)  25 
D)  5

Question 12

Java requires that the boolean expression being tested by an if statement be enclosed in

Accepted Answer

A)  a set of parentheses. 
B)  a set of braces. 
C)  a set of double quotes. 
D)  a set of brackets. 
A)  a set of parentheses. 
B)  a set of braces. 
C)  a set of double quotes. 
D)  a set of brackets.

Question 13

What will be displayed after the following code has been executed?
Int x = 65;
Int y = 55;
If (x >= y)
{
Int ans = x + y;
}
System.out.println(ans);

Accepted Answer

A)  10 
B)  120 
C)  100 
D)  The code contains an error and will not compile. 
A)  10 
B)  120 
C)  100 
D)  The code contains an error and will not compile.

Question 14

Which of the following statements determines whether temp is within the range of 0 through 100?

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)

Question 15

A flag may have the values

Accepted Answer

A)  defined or undefined. 
B)  of any range of numbers. 
C)  true or false. 
D)  of any Unicode character. 
A)  defined or undefined. 
B)  of any range of numbers. 
C)  true or false. 
D)  of any Unicode character.

Question 16

If the expression on the left side of the && operator is false, the expression on the right side will not be checked.

Accepted Answer

A) True 
 B)False

Question 17

What will be the value of x after the following code is executed?
Int x = 75;
Int y = 60;
If (x > y)
X = x - y;

Accepted Answer

A)  60 
B)  75 
C)  15 
D)  135 
A)  60 
B)  75 
C)  15 
D)  135

Question 18

What will be the value of bonus after the following code is executed?
Int bonus, sales = 10000;
If (sales < 5000)
Bonus = 200;
Else if (sales < 7500)
Bonus = 500;
Else if (sales < 10000)
Bonus = 750;
Else if (sales < 20000)
Bonus = 1000;
Else
Bonus = 1250;

Accepted Answer

A)  750 
B)  1250 
C)  500 
D)  1000 
A)  750 
B)  1250 
C)  500 
D)  1000

Question 19

The DecimalFormat class is part of the Java API, but it is not automatically available to your programs.

Accepted Answer

A) True 
 B)False

Question 20

A block of code is enclosed in a set of

Accepted Answer

A)  parentheses. 
B)  brackets. 
C)  braces. 
D)  double quotes. 
A)  parentheses. 
B)  brackets. 
C)  braces. 
D)  double quotes.

What is the value of ans after the following code has been executed? Int x = 40; Int y = 40; Int ans = 0; If (x = y) Ans = x + 10;

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

Enclosing a group of statements inside a set of braces creates

________ operators are used to determine whether a specific relationship exists between two values.

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

When two strings are compared using the String class's compareTo method, the comparison is case-insensitive.

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

What would be the value of discountRate after the following statements are executed? Double discountRate = 0.0; Int purchase = 100; If (purchase > 1000) DiscountRate = 0.05; Else if (purchase > 750) DiscountRate = 0.03; Else if (purchase > 500) DiscountRate = 0.01;

The boolean expression in an if statement must evaluate to

What would 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; }

What would be the value of x after the following statements were executed? Int x = 10; Switch (x) { Case 10: X += 15; Case 12: X -= 5; Break; Default: X *= 3; }

Java requires that the boolean expression being tested by an if statement be enclosed in

What will be displayed after the following code has been executed? Int x = 65; Int y = 55; If (x >= y) { Int ans = x + y; } System.out.println(ans);

Which of the following statements determines whether temp is within the range of 0 through 100?

A flag may have the values

If the expression on the left side of the && operator is false, the expression on the right side will not be checked.

What will be the value of x after the following code is executed? Int x = 75; Int y = 60; If (x > y) X = x - y;

What will be the value of bonus after the following code is executed? Int bonus, sales = 10000; If (sales < 5000) Bonus = 200; Else if (sales < 7500) Bonus = 500; Else if (sales < 10000) Bonus = 750; Else if (sales < 20000) Bonus = 1000; Else Bonus = 1250;

The DecimalFormat class is part of the Java API, but it is not automatically available to your programs.

A block of code is enclosed in a set of

Introduction to Computers and Java

Java Fundamentals

A First Look at Classes and Objects

Loops and Files

A Second Look at Classes and Objects

Arrays and the ArrayList Class

Text Processing and Wrapper Classes

Inheritance

Exceptions and Advanced File I/O

GUI Applications–Part 1

GUI Applications–Part 2

Applets and More

Creating GUI Applications with JavaFX

Recursion

Databases

Filters

Exam 4: Decision Structures

What is the value of ans after the following code has been executed? Int x = 40; Int y = 40; Int ans = 0; If (x = y) Ans = x + 10;

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

Enclosing a group of statements inside a set of braces creates

________ operators are used to determine whether a specific relationship exists between two values.

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

When two strings are compared using the String class's compareTo method, the comparison is case-insensitive.

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

What would be the value of discountRate after the following statements are executed? Double discountRate = 0.0; Int purchase = 100; If (purchase > 1000) DiscountRate = 0.05; Else if (purchase > 750) DiscountRate = 0.03; Else if (purchase > 500) DiscountRate = 0.01;

The boolean expression in an if statement must evaluate to

What would 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; }

What would be the value of x after the following statements were executed? Int x = 10; Switch (x) { Case 10: X += 15; Case 12: X -= 5; Break; Default: X *= 3; }

Java requires that the boolean expression being tested by an if statement be enclosed in

What will be displayed after the following code has been executed? Int x = 65; Int y = 55; If (x >= y) { Int ans = x + y; } System.out.println(ans);

Which of the following statements determines whether temp is within the range of 0 through 100?

A flag may have the values

If the expression on the left side of the && operator is false, the expression on the right side will not be checked.

What will be the value of x after the following code is executed? Int x = 75; Int y = 60; If (x > y) X = x - y;

What will be the value of bonus after the following code is executed? Int bonus, sales = 10000; If (sales < 5000) Bonus = 200; Else if (sales < 7500) Bonus = 500; Else if (sales < 10000) Bonus = 750; Else if (sales < 20000) Bonus = 1000; Else Bonus = 1250;

The DecimalFormat class is part of the Java API, but it is not automatically available to your programs.

A block of code is enclosed in a set of

Introduction to Computers and Java

Java Fundamentals

A First Look at Classes and Objects

Loops and Files

A Second Look at Classes and Objects

Arrays and the ArrayList Class

Text Processing and Wrapper Classes

Inheritance

Exceptions and Advanced File I/O

GUI Applications–Part 1

GUI Applications–Part 2

Applets and More

Creating GUI Applications with JavaFX

Recursion

Databases

Filters