Question 1

Which of the following is the escape character?

Accepted Answer

A)  * 
B)  \ 
C)  
 
D)  " 
A)  * 
B)  \ 
C)  
 
D)  "

Question 2

What is the value of result after the following Java statements execute (assume all variables are of type int)?
A = 4;
B = 12;
C = 37;
D = 51;
Result = d % a * c + a % b + a;

Accepted Answer

A)  119 
B)  51 
C)  127 
D)  59 
A)  119 
B)  51 
C)  127 
D)  59

Question 3

Java's predefined classes are grouped into

Accepted Answer

A)  packets. 
B)  declarations. 
C)  Galleries. 
D)  packages. 
A)  packets. 
B)  declarations. 
C)  Galleries. 
D)  packages.

Question 4

Optional parentheses in expressions are said to be

Accepted Answer

A)  redundant. 
B)  binary operators. 
C)  implied. 
D)  declared. 
A)  redundant. 
B)  binary operators. 
C)  implied. 
D)  declared.

Question 5

Which of the following cannot cause a syntax error to be reported by the Java compiler?

Accepted Answer

A)  Mismatched {} 
B)  Missing */ in a comment that begins with /* 
C)  Missing ; 
D)  An extra blank line. 
A)  Mismatched {} 
B)  Missing */ in a comment that begins with /* 
C)  Missing ; 
D)  An extra blank line.

Question 6

The format specifier ________ is a placeholder for an int value.

Accepted Answer

A)  %n 
B)  %d 
C)  %int 
D)  %s 
A)  %n 
B)  %d 
C)  %int 
D)  %s

Question 7

Which of the following is not a valid Java identifier?

Accepted Answer

A)  my Value 
B)  $_AAA1 
C)  width 
D)  m_x 
A)  my Value 
B)  $_AAA1 
C)  width 
D)  m_x

Question 8

Which of the following statements will print a single line containing
"hello there"?

Accepted Answer

A)  System.out.println( "hello" ); System.out.println( " there" ); 
B)  System.out.println( "hello" , " there" ); 
C)  System.out.println( "hello" ); System.out.print( " there" ); 
D)  System.out.print( "hello" ); System.out.println( " there" ); 
A)  System.out.println( "hello" ); System.out.println( " there" ); 
B)  System.out.println( "hello" , " there" ); 
C)  System.out.println( "hello" ); System.out.print( " there" ); 
D)  System.out.print( "hello" ); System.out.println( " there" );

Question 9

Each of the following is a relational or equality operator except:

Accepted Answer

A)   
A)

Question 10

Which of the following escape sequences represents a carriage return?

Accepted Answer

A)  
. 
B)  . 
C)  \cr. 
D)  \c. 
A)  
. 
B)  . 
C)  \cr. 
D)  \c.

Question 11

Given the Java statement
Sum = number1 + number2;
Which of the following statements is false?

Accepted Answer

A)  It's an assignment statement. 
B)  It calculates the sum of variables number1 and number2. 
C)  The operands of the addition operator are number1 and number2. 
D)  It assigns the value of number1 to sum. 
A)  It's an assignment statement. 
B)  It calculates the sum of variables number1 and number2. 
C)  The operands of the addition operator are number1 and number2. 
D)  It assigns the value of number1 to sum.

Question 12

Which of the following is a Scanner method for inputting an integer value?

Accepted Answer

A)  nextInteger 
B)  integer 
C)  nextInt 
D)  int 
A)  nextInteger 
B)  integer 
C)  nextInt 
D)  int

Question 13

Given the Java statement
Number1 = input.nextInt();
In which number1 is an int and input is a Scanner, which of the following occurs if the user does not enter a valid int value?

Accepted Answer

A)  A compilation error occurs. 
B)  The program continues executing and assigns the value 0 to number1. 
C)  A runtime logic error occurs. 
D)  None of the above. 
A)  A compilation error occurs. 
B)  The program continues executing and assigns the value 0 to number1. 
C)  A runtime logic error occurs. 
D)  None of the above.

Question 14

Which of the following statements does not alter the value stored in a memory location?

Accepted Answer

A)  int a; 
B)  number = 12; 
C)  y = y + 2; 
D)  width = Integer.parseInt(input); 
A)  int a; 
B)  number = 12; 
C)  y = y + 2; 
D)  width = Integer.parseInt(input);

Which of the following is the escape character?

What is the value of result after the following Java statements execute (assume all variables are of type int)? A = 4; B = 12; C = 37; D = 51; Result = d % a * c + a % b + a;

Java's predefined classes are grouped into

Optional parentheses in expressions are said to be

Which of the following cannot cause a syntax error to be reported by the Java compiler?

The format specifier ________ is a placeholder for an int value.

Which of the following is not a valid Java identifier?

Which of the following statements will print a single line containing "hello there"?

Each of the following is a relational or equality operator except:

Which of the following escape sequences represents a carriage return?

Given the Java statement Sum = number1 + number2; Which of the following statements is false?

Which of the following is a Scanner method for inputting an integer value?

Given the Java statement Number1 = input.nextInt(); In which number1 is an int and input is a Scanner, which of the following occurs if the user does not enter a valid int value?

Which of the following statements does not alter the value stored in a memory location?

Introduction to Computers and Java

Control Statements

Control Statements

Methods

Arrays and Arraylists

Introduction to Classes and Objects

Classes and Objects: a Deeper Look

Object Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism

Exception Handling

Gui Components

Graphics and Java 2D

Fundamentals of Characters and Strings

Files, Streams and Object Serialization

Generic Collections

Lambdas

Recursion

Searching, Sorting and Big O

Generic Classes and Methods

Custom Generic Data Structures

GUI

Concurrency

Accessing Databases With JDBC

JavaFX

Filters

Exam 2: Introduction to Java Applications

Which of the following is the escape character?

What is the value of result after the following Java statements execute (assume all variables are of type int)? A = 4; B = 12; C = 37; D = 51; Result = d % a * c + a % b + a;

Java's predefined classes are grouped into

Optional parentheses in expressions are said to be

Which of the following cannot cause a syntax error to be reported by the Java compiler?

The format specifier ________ is a placeholder for an int value.

Which of the following is not a valid Java identifier?

Which of the following statements will print a single line containing "hello there"?

Each of the following is a relational or equality operator except:

Which of the following escape sequences represents a carriage return?

Given the Java statement Sum = number1 + number2; Which of the following statements is false?

Which of the following is a Scanner method for inputting an integer value?

Given the Java statement Number1 = input.nextInt(); In which number1 is an int and input is a Scanner, which of the following occurs if the user does not enter a valid int value?

Which of the following statements does not alter the value stored in a memory location?

Introduction to Computers and Java

Control Statements

Control Statements

Methods

Arrays and Arraylists

Introduction to Classes and Objects

Classes and Objects: a Deeper Look

Object Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism

Exception Handling

Gui Components

Graphics and Java 2D

Fundamentals of Characters and Strings

Files, Streams and Object Serialization

Generic Collections

Lambdas

Recursion

Searching, Sorting and Big O

Generic Classes and Methods

Custom Generic Data Structures

GUI

Concurrency

Accessing Databases With JDBC

JavaFX

Filters