Question 1

In the following Java statement what value is stored in the variable name? String name = "John Doe";

Accepted Answer

A)  John Doe 
B)  The memory address where "John Doe" is located 
C)  name 
D)  The memory address where name is located 
A)  John Doe 
B)  The memory address where "John Doe" is located 
C)  name 
D)  The memory address where name is located

Question 2

To print "Hello, world" on the monitor, use the following Java statement

Accepted Answer

A)  SystemOutPrintln("Hello, world"); 
B)  System.out.println{"Hello, world"} 
C)  System.out.println("Hello, world"); 
D)  Print "Hello, world"; 
A)  SystemOutPrintln("Hello, world"); 
B)  System.out.println{"Hello, world"} 
C)  System.out.println("Hello, world"); 
D)  Print "Hello, world";

Question 3

The term ___________ typically refers to the device that displays console output.

Accepted Answer

A)  Standard output device 
B)  Central processing unit 
C)  Secondary storage device 
D)  Liquid crystal display 
A)  Standard output device 
B)  Central processing unit 
C)  Secondary storage device 
D)  Liquid crystal display

Question 4

This is a variable whose content is read only and cannot be changed during the program's execution.

Accepted Answer

A)  operator 
B)  literal 
C)  named constant 
D)  reserved word 
A)  operator 
B)  literal 
C)  named constant 
D)  reserved word

Question 5

The boolean data type may contain values in the following range of values

Accepted Answer

A)  true or false 
B)  -128 to + 127 
C)  - 2,147,483,648 to +2,147,483,647 
D)  - 32,768 to +32,767 
A)  true or false 
B)  -128 to + 127 
C)  - 2,147,483,648 to +2,147,483,647 
D)  - 32,768 to +32,767

Question 6

What would be displayed as a result of the following code? int x = 578;
System.out.print("There are " +
X + 5 + "
" +
"hens in the hen house.");

Accepted Answer

A)  There are 583 hens in the hen house. 
B)  There are 5785 hens in the hen house. 
C)  There are x5
hens in the hen house. 
D)  There are 5785
Hens in the hen house. 
A)  There are 583 hens in the hen house. 
B)  There are 5785 hens in the hen house. 
C)  There are x5
hens in the hen house. 
D)  There are 5785
Hens in the hen house.

Question 7

Character literals are enclosed in _____; string literals are enclosed in _____.

Accepted Answer

A)  single quotes; single quotes 
B)  double quotes; double quotes 
C)  single quotes; double quotes 
D)  double quotes; single quotes 
A)  single quotes; single quotes 
B)  double quotes; double quotes 
C)  single quotes; double quotes 
D)  double quotes; single quotes

Question 8

Although the dollar sign is a legal identifier character, you should not use it because it is normally used for special purposes.

Accepted Answer

A) True 
 B)False

Question 9

Which Scanner class method reads an int?

Accepted Answer

A)  readInt() 
B)  nextInt() 
C)  getInt() 
D)  read_int() 
A)  readInt() 
B)  nextInt() 
C)  getInt() 
D)  read_int()

Question 10

The primitive data types only allow a(n) _____ to hold a single value.

Accepted Answer

A)  variable 
B)  object 
C)  class 
D)  literal 
A)  variable 
B)  object 
C)  class 
D)  literal

Question 11

All Java statements end with semicolons.

Accepted Answer

A) True 
 B)False

Question 12

To compile a program named First, use the following command:

Accepted Answer

A)  java First.java 
B)  javac First 
C)  javac First.java 
D)  compile First.javac 
A)  java First.java 
B)  javac First 
C)  javac First.java 
D)  compile First.javac

Question 13

Which of the following is not a primitive data type?

Accepted Answer

A)  short 
B)  long 
C)  float 
D)  String 
A)  short 
B)  long 
C)  float 
D)  String

Question 14

Which of the following does not describe a valid comment in Java?

Accepted Answer

A)  Single line comments, two forward slashes - // 
B)  Multi-line comments, start with /* and end with */ 
C)  Multi-line comments, start with */ and end with /* 
D)  Documentation comments, any comments starting with /** and ending with */ 
A)  Single line comments, two forward slashes - // 
B)  Multi-line comments, start with /* and end with */ 
C)  Multi-line comments, start with */ and end with /* 
D)  Documentation comments, any comments starting with /** and ending with */

Question 15

When the + operator is used with strings, it is known as the:

Accepted Answer

A)  Assignment operator 
B)  String concatenation operator 
C)  Addition operator 
D)  Combined assignment operator 
A)  Assignment operator 
B)  String concatenation operator 
C)  Addition operator 
D)  Combined assignment operator

Question 16

Which of the following is a valid Java statement?

Accepted Answer

A)  String str = 'John Doe'; 
B)  string str = "John Doe"; 
C)  string str = 'John Doe'; 
D)  String str = "John Doe"; 
A)  String str = 'John Doe'; 
B)  string str = "John Doe"; 
C)  string str = 'John Doe'; 
D)  String str = "John Doe";

Question 17

Assuming that pay has been declared a double, the following statement is valid.
pay = 2,583.44;

Accepted Answer

A) True 
 B)False

Question 18

In Java, the beginning of a comment is marked with:

Accepted Answer

A)  // 
B)  "" 
C)  ; 
D)  # 
A)  // 
B)  "" 
C)  ; 
D)  #

Question 19

In Java, ___________ must be declared before they can be used.

Accepted Answer

A)  Variables 
B)  Literals 
C)  Key words 
D)  Comments 
A)  Variables 
B)  Literals 
C)  Key words 
D)  Comments

Question 20

A Java program must have at least one of these:

Accepted Answer

A)  Class definition 
B)  Variable 
C)  Comment 
D)  System.out.println(); statement 
A)  Class definition 
B)  Variable 
C)  Comment 
D)  System.out.println(); statement

In the following Java statement what value is stored in the variable name? String name = "John Doe";

To print "Hello, world" on the monitor, use the following Java statement

The term ___________ typically refers to the device that displays console output.

This is a variable whose content is read only and cannot be changed during the program's execution.

The boolean data type may contain values in the following range of values

What would be displayed as a result of the following code? int x = 578; System.out.print("There are " + X + 5 + "\n" + "hens in the hen house.");

Character literals are enclosed in _; string literals are enclosed in _.

Although the dollar sign is a legal identifier character, you should not use it because it is normally used for special purposes.

Which Scanner class method reads an int?

The primitive data types only allow a(n) _____ to hold a single value.

All Java statements end with semicolons.

To compile a program named First, use the following command:

Which of the following is not a primitive data type?

Which of the following does not describe a valid comment in Java?

When the + operator is used with strings, it is known as the:

Which of the following is a valid Java statement?

Assuming that pay has been declared a double, the following statement is valid. pay = 2,583.44;

In Java, the beginning of a comment is marked with:

In Java, ___________ must be declared before they can be used.

A Java program must have at least one of these:

Introduction to Computers and Java

Decision Structures

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

A First Look at GUI Applications

Advanced GUI Applications

Applets and More

Creating GUI Applications With Javafx and Scene Builder

Recursion

Databases

Filters

Exam 2: Java Fundamentals

In the following Java statement what value is stored in the variable name? String name = "John Doe";

To print "Hello, world" on the monitor, use the following Java statement

The term ___________ typically refers to the device that displays console output.

This is a variable whose content is read only and cannot be changed during the program's execution.

The boolean data type may contain values in the following range of values

What would be displayed as a result of the following code? int x = 578; System.out.print("There are " + X + 5 + "\n" + "hens in the hen house.");

Character literals are enclosed in _____; string literals are enclosed in _____.

Although the dollar sign is a legal identifier character, you should not use it because it is normally used for special purposes.

Which Scanner class method reads an int?

The primitive data types only allow a(n) _____ to hold a single value.

All Java statements end with semicolons.

To compile a program named First, use the following command:

Which of the following is not a primitive data type?

Which of the following does not describe a valid comment in Java?

When the + operator is used with strings, it is known as the:

Which of the following is a valid Java statement?

Assuming that pay has been declared a double, the following statement is valid. pay = 2,583.44;

In Java, the beginning of a comment is marked with:

In Java, ___________ must be declared before they can be used.

A Java program must have at least one of these:

Introduction to Computers and Java

Decision Structures

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

A First Look at GUI Applications

Advanced GUI Applications

Applets and More

Creating GUI Applications With Javafx and Scene Builder

Recursion

Databases

Filters

Character literals are enclosed in _; string literals are enclosed in _.