Question 1

What output will be displayed as a result of executing the following code?
 int x = 5, y = 20;
X += 32;
Y /= 4;
System.out.println("x = " + x + ", y = " + y);

Accepted Answer

A)  x = 160, y = 80 
B)  x = 32, y = 4 
C)  x = 37, y = 5 
D)  x = 9, y = 52 
A)  x = 160, y = 80 
B)  x = 32, y = 4 
C)  x = 37, y = 5 
D)  x = 9, y = 52

Question 2

Both character and string literals can be assigned to a char variable.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following cannot be used as identifiers in Java?

Accepted Answer

A)  variable names 
B)  class names 
C)  key words 
D)  objects 
A)  variable names 
B)  class names 
C)  key words 
D)  objects

Question 4

A Java program will not compile unless it contains the correct line numbers.

Accepted Answer

A) True 
 B)False

Question 5

Class names and key words are examples of variables.

Accepted Answer

A) True 
 B)False

Question 6

The System.out.printf method allows you to format output in a variety of ways.

Accepted Answer

A) True 
 B)False

Question 7

What is the result of the following expression? 
17 % 3 * 2 - 12 + 15

Accepted Answer

A)  105 
B)  12 
C)  7 
D)  8 
A)  105 
B)  12 
C)  7 
D)  8

Question 8

What would be printed out as a result of the following code? System.out.println("The quick brown fox" +
"jumped over the 
"
"slow moving hen.");

Accepted Answer

A)  The quick brown fox jumped over the 
slow moving hen. 
B)  The quick brown fox jumped over the
Slow moving hen. 
C)  The quick brown fox
Jumped over the
Slow moving hen. 
D)  Nothing - this is an error 
A)  The quick brown fox jumped over the 
slow moving hen. 
B)  The quick brown fox jumped over the
Slow moving hen. 
C)  The quick brown fox
Jumped over the
Slow moving hen. 
D)  Nothing - this is an error

Question 9

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

Accepted Answer

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

Question 10

The boolean data type may contain which of the following range of values?

Accepted Answer

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

Question 11

Named constants are initialized with a value and that value cannot change during the execution of the program.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following statements correctly creates a Scanner object for keyboard input?

Accepted Answer

A)  Scanner kbd = new Scanner(System.keyboard); 
B)  Scanner keyboard = new Scanner(System.in); 
C)  Scanner keyboard(System.in); 
D)  Keyboard scanner = new Keyboard(System.in); 
A)  Scanner kbd = new Scanner(System.keyboard); 
B)  Scanner keyboard = new Scanner(System.in); 
C)  Scanner keyboard(System.in); 
D)  Keyboard scanner = new Keyboard(System.in);

Question 13

The Java API provides a class named Math that contains numerous methods which are useful for performing complex mathematical operations.

Accepted Answer

A) True 
 B)False

Question 14

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)  combines assignment operator 
A)  assignment operator 
B)  string concatenation operator 
C)  addition operator 
D)  combines assignment operator

Question 15

Which of the following is not a rule that must be followed when naming identifiers?

Accepted Answer

A)  The first character must be one of the letters a-z, A-Z, and underscore or a dollar sign. 
B)  Identifiers can contain spaces. 
C)  Uppercase and lowercase characters are distinct. 
D)  After the first character, you may use the letters a-z, A-Z, the underscore, a dollar sign, or digits 0-9. 
A)  The first character must be one of the letters a-z, A-Z, and underscore or a dollar sign. 
B)  Identifiers can contain spaces. 
C)  Uppercase and lowercase characters are distinct. 
D)  After the first character, you may use the letters a-z, A-Z, the underscore, a dollar sign, or digits 0-9.

Question 16

What is the value of z after the following code is executed? 
int x = 5, y = 28;
Float z;
Z = (float) (y / x);

Accepted Answer

A)  5.6 
B)  3.0 
C)  5.0 
D)  5.60 
A)  5.6 
B)  3.0 
C)  5.0 
D)  5.60

Question 17

If x has been declared an int, which of the following statements is invalid?

Accepted Answer

A)  x = 0; 
B)  x = -59832; 
C)  x = 1,000; 
D)  x = 592 
A)  x = 0; 
B)  x = -59832; 
C)  x = 1,000; 
D)  x = 592

Question 18

Which of the following is not a valid Java comment?

Accepted Answer

A)  /** Comment one */ 
B)  */ Comment two /* 
C)  // Comment three 
D)  /* Comment four */ 
A)  /** Comment one */ 
B)  */ Comment two /* 
C)  // Comment three 
D)  /* Comment four */

Question 19

What will be displayed as a result of executing the following code? 
public class test
{
Public static void main(String[ ] args)
{
Int value1 = 9;
System.out.println(value1);
Int value2 = 45;
System.out.println(value2);
System.out.println(value3);
Value = 16;
}
}

Accepted Answer

A)  9
45
16 
B)  94516 
C)  9 45 16 
D)  Nothing. This is an error 
A)  9
45
16 
B)  94516 
C)  9 45 16 
D)  Nothing. This is an error

Question 20

Character literals are enclosed in __________ and string literals are enclosed in __________.

Accepted Answer

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

What output will be displayed as a result of executing the following code? int x = 5, y = 20; X += 32; Y /= 4; System.out.println("x = " + x + ", y = " + y);

Both character and string literals can be assigned to a char variable.

Which of the following cannot be used as identifiers in Java?

A Java program will not compile unless it contains the correct line numbers.

Class names and key words are examples of variables.

The System.out.printf method allows you to format output in a variety of ways.

What is the result of the following expression? 17 % 3 * 2 - 12 + 15

What would be printed out as a result of the following code? System.out.println("The quick brown fox" + "jumped over the \n" "slow moving hen.");

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

The boolean data type may contain which of the following range of values?

Named constants are initialized with a value and that value cannot change during the execution of the program.

Which of the following statements correctly creates a Scanner object for keyboard input?

The Java API provides a class named Math that contains numerous methods which are useful for performing complex mathematical operations.

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

Which of the following is not a rule that must be followed when naming identifiers?

What is the value of z after the following code is executed? int x = 5, y = 28; Float z; Z = (float) (y / x);

If x has been declared an int, which of the following statements is invalid?

Which of the following is not a valid Java comment?

What will be displayed as a result of executing the following code? public class test { Public static void main(String[ ] args) { Int value1 = 9; System.out.println(value1); Int value2 = 45; System.out.println(value2); System.out.println(value3); Value = 16; } }

Character literals are enclosed in and string literals are enclosed in .

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

Java-Fx: Gui Programming and Basic Controls

Java-Fx: Advanced Controls

Java-Fx: Graphics, Effects, and Media

Recursion

Databases

Filters

Exam 2: Java Fundamentals

What output will be displayed as a result of executing the following code? int x = 5, y = 20; X += 32; Y /= 4; System.out.println("x = " + x + ", y = " + y);

Both character and string literals can be assigned to a char variable.

Which of the following cannot be used as identifiers in Java?

A Java program will not compile unless it contains the correct line numbers.

Class names and key words are examples of variables.

The System.out.printf method allows you to format output in a variety of ways.

What is the result of the following expression? 17 % 3 * 2 - 12 + 15

What would be printed out as a result of the following code? System.out.println("The quick brown fox" + "jumped over the \n" "slow moving hen.");

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

The boolean data type may contain which of the following range of values?

Named constants are initialized with a value and that value cannot change during the execution of the program.

Which of the following statements correctly creates a Scanner object for keyboard input?

The Java API provides a class named Math that contains numerous methods which are useful for performing complex mathematical operations.

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

Which of the following is not a rule that must be followed when naming identifiers?

What is the value of z after the following code is executed? int x = 5, y = 28; Float z; Z = (float) (y / x);

If x has been declared an int, which of the following statements is invalid?

Which of the following is not a valid Java comment?

What will be displayed as a result of executing the following code? public class test { Public static void main(String[ ] args) { Int value1 = 9; System.out.println(value1); Int value2 = 45; System.out.println(value2); System.out.println(value3); Value = 16; } }

Character literals are enclosed in __________ and string literals are enclosed in __________.

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

Java-Fx: Gui Programming and Basic Controls

Java-Fx: Advanced Controls

Java-Fx: Graphics, Effects, and Media

Recursion

Databases

Filters

Character literals are enclosed in and string literals are enclosed in .