Question 1

What is an escape sequence and why would a Java programmer use it to store a character?

Accepted Answer

You can store any character-including no

Question 2

final int COSTPERITEM = 10; 
double sales2012 = amtSold * COSTPERITEM; 
In the above statements, identify the named constant and describe how a programmer can recognize named constants.

Accepted Answer

The named constant identifier

Question 3

What is the value of result after the following statement is executed? int result = 2 + 3 * 4;

Accepted Answer

A)  9 
B)  10 
C)  14 
D)  20 
A)  9 
B)  10 
C)  14 
D)  20

Question 4

You use the ____ data type to hold any single character.

Accepted Answer

A)  single 
B)  char 
C)  byte 
D)  float 
A)  single 
B)  char 
C)  byte 
D)  float

Question 5

public class YourGrade 
{ 
    public static void main(String[] args) 
    { 
       int projectPoints = 89; 
       System.out.print("Your grade for this class is "); 
       System.out.print(projectPoints); 
       System.out.println("%"); 
     } 
}
Given the above code, what will be the output at the command prompt?

Accepted Answer

Output will be as fo

Question 6

Which of the following is NOT a component of a variable declaration statement?

Accepted Answer

A)  data type identifier 
B)  ending colon 
C)  variable name 
D)  ending semicolon 
A)  data type identifier 
B)  ending colon 
C)  variable name 
D)  ending semicolon

Question 7

The percent sign is the ____ operator.

Accepted Answer

A)  remainder 
B)  remaining 
C)  percentage 
D)  integer division 
A)  remainder 
B)  remaining 
C)  percentage 
D)  integer division

Question 8

How would you ask the user to confirm an action using a dialog box?

Accepted Answer

A confirm dialog box that displays the o

Question 9

Match between columns
                        Premises: Converts nonconforming types to the unifying type

Accepted Answer

The Answer of promotion and escape sequence and garbage value. is...

Question 10

Match between columns
                        Premises: Begins with a backslash followed by a character

Accepted Answer

The Answer of keyboard buffer and boolean and blank final is...

Question 11

Write the statement to declare an uninitialized integer value for salesAmt . Then write the statement to declare a constant named SALESAMT with a value of 20.99.

Accepted Answer

int salesA

Question 12

Write the statement that will declare and assign two integer variables, salesAmt and costAmt , in a single statement. Assign values of your choice to the variables.

Accepted Answer

int salesA

Question 13

A(n) ____ dialog box typically displays the options Yes, No, and Cancel.

Accepted Answer

A)  confirm 
B)  input 
C)  message 
D)  answer 
A)  confirm 
B)  input 
C)  message 
D)  answer

Question 14

The characters ____ move the cursor to the next line when used within a println() statement.

Accepted Answer

A)  /n 
B)  
 
C)  .+ 
D)  $ 
A)  /n 
B)  
 
C)  .+ 
D)  $

Question 15

You are limited to declaring a maximum of three variables in a single statement.

Accepted Answer

A) True 
 B)False

Question 16

The Scanner class contains methods that retrieve values called ____.

Accepted Answer

A)  prompts 
B)  whitespace 
C)  finals 
D)  tokens 
A)  prompts 
B)  whitespace 
C)  finals 
D)  tokens

Question 17

You can create a confirm dialog box with five arguments.

Accepted Answer

A) True 
 B)False

Question 18

A(n) ____ dialog box asks a question and provides a text field in which the user can enter a response.

Accepted Answer

A)  question 
B)  JOptPane 
C)  confirm 
D)  input 
A)  question 
B)  JOptPane 
C)  confirm 
D)  input

Question 19

Even if a statement occupies multiple lines, the statement is not complete until the semicolon is reached.

Accepted Answer

A) True 
 B)False

Question 20

Primitive types serve as the building blocks for more complex data types, called ____ types.

Accepted Answer

A)  integer 
B)  literal 
C)  reference 
D)  data 
A)  integer 
B)  literal 
C)  reference 
D)  data

What is an escape sequence and why would a Java programmer use it to store a character?

final int COSTPERITEM = 10; double sales2012 = amtSold * COSTPERITEM; In the above statements, identify the named constant and describe how a programmer can recognize named constants.

What is the value of result after the following statement is executed? int result = 2 + 3 * 4;

You use the ____ data type to hold any single character.

public class YourGrade { public static void main(String[] args) { int projectPoints = 89; System.out.print("Your grade for this class is "); System.out.print(projectPoints); System.out.println("%"); } } Given the above code, what will be the output at the command prompt?

Which of the following is NOT a component of a variable declaration statement?

The percent sign is the ____ operator.

How would you ask the user to confirm an action using a dialog box?

Write the statement to declare an uninitialized integer value for salesAmt . Then write the statement to declare a constant named SALESAMT with a value of 20.99.

Write the statement that will declare and assign two integer variables, salesAmt and costAmt , in a single statement. Assign values of your choice to the variables.

A(n) ____ dialog box typically displays the options Yes, No, and Cancel.

The characters ____ move the cursor to the next line when used within a println() statement.

You are limited to declaring a maximum of three variables in a single statement.

The Scanner class contains methods that retrieve values called ____.

You can create a confirm dialog box with five arguments.

A(n) ____ dialog box asks a question and provides a text field in which the user can enter a response.

Even if a statement occupies multiple lines, the statement is not complete until the semicolon is reached.

Primitive types serve as the building blocks for more complex data types, called ____ types.

Creating Your First Java Classes

Using Methods, Classes and Objects

More Object Concepts

Making Decisions

Looping

Characters, Strings and the Stringbuilder

Arrays

Advanced Array Concepts

Introduction to Inheritance

Advanced Inheritance Concepts

Exception Handling

File Input and Output

Introduction to Swing Components

Using Javafx and Scene Builder

Filters

Exam 2: Using Data

What is an escape sequence and why would a Java programmer use it to store a character?

final int COSTPERITEM = 10; double sales2012 = amtSold * COSTPERITEM; In the above statements, identify the named constant and describe how a programmer can recognize named constants.

What is the value of result after the following statement is executed? int result = 2 + 3 * 4;

You use the ____ data type to hold any single character.

public class YourGrade { public static void main(String[] args) { int projectPoints = 89; System.out.print("Your grade for this class is "); System.out.print(projectPoints); System.out.println("%"); } } Given the above code, what will be the output at the command prompt?

Which of the following is NOT a component of a variable declaration statement?

The percent sign is the ____ operator.

How would you ask the user to confirm an action using a dialog box?

Write the statement to declare an uninitialized integer value for salesAmt . Then write the statement to declare a constant named SALESAMT with a value of 20.99.

Write the statement that will declare and assign two integer variables, salesAmt and costAmt , in a single statement. Assign values of your choice to the variables.

A(n) ____ dialog box typically displays the options Yes, No, and Cancel.

The characters ____ move the cursor to the next line when used within a println() statement.

You are limited to declaring a maximum of three variables in a single statement.

The Scanner class contains methods that retrieve values called ____.

You can create a confirm dialog box with five arguments.

A(n) ____ dialog box asks a question and provides a text field in which the user can enter a response.

Even if a statement occupies multiple lines, the statement is not complete until the semicolon is reached.

Primitive types serve as the building blocks for more complex data types, called ____ types.

Creating Your First Java Classes

Using Methods, Classes and Objects

More Object Concepts

Making Decisions

Looping

Characters, Strings and the Stringbuilder

Arrays

Advanced Array Concepts

Introduction to Inheritance

Advanced Inheritance Concepts

Exception Handling

File Input and Output

Introduction to Swing Components

Using Javafx and Scene Builder

Filters