Question 1

What will be the value of x after the following code is executed? int x = 10;
Do
{
X *= 20;
}
While (x < 5);

Accepted Answer

A)  10 
B)  200 
C)  This is an infinite loop. 
D)  The loop will not be executed,the initial value of x > 5. 
A)  10 
B)  200 
C)  This is an infinite loop. 
D)  The loop will not be executed,the initial value of x > 5.

Question 2

A sentinel value _________ and signals that there are no more values to be entered.

Accepted Answer

A)  is a different data type than the values being processed 
B)  is a special value that cannot be mistaken as a member of the list 
C)  indicates the start of a list 
D)  guards the list 
A)  is a different data type than the values being processed 
B)  is a special value that cannot be mistaken as a member of the list 
C)  indicates the start of a list 
D)  guards the list

Question 3

This type of loop will always be executed at least once.

Accepted Answer

A)  pre-test loop 
B)  post-test loop 
C)  sentinel loop 
D)  for loop 
A)  pre-test loop 
B)  post-test loop 
C)  sentinel loop 
D)  for loop

Question 4

When using the PrintWriter class,which of the following import statements would you write near the top of your program?

Accepted Answer

A)  import javax.swing.*; 
B)  import java.io.*; 
C)  import PrintWriter; 
D)  import java.file.*; 
A)  import javax.swing.*; 
B)  import java.io.*; 
C)  import PrintWriter; 
D)  import java.file.*;

Question 5

What will be the values of x and y as a result of the following code? int x = 25,y = 8;
X += y++;

Accepted Answer

A)  x = 25,y = 8 
B)  x = 33,y = 8 
C)  x = 33,y = 9 
D)  x = 34,y = 9 
A)  x = 25,y = 8 
B)  x = 33,y = 8 
C)  x = 33,y = 9 
D)  x = 34,y = 9

Question 6

A loop that repeats a specific number of times is known as a(n)

Accepted Answer

A)  sentinel loop 
B)  conditional loop 
C)  counter-controlled loop 
D)  infinite loop 
A)  sentinel loop 
B)  conditional loop 
C)  counter-controlled loop 
D)  infinite loop

Question 7

When you open a file with the PrintWriter class,the class can potentially throw an IOException.

Accepted Answer

A) True 
 B)False

Question 8

What will be the value of x after the following code is executed? int x = 10,y = 20;
While (y < 100)
{
X += y;
Y += 20;
}

Accepted Answer

A)  90 
B)  110 
C)  130 
D)  210 
A)  90 
B)  110 
C)  130 
D)  210

What will be the value of x after the following code is executed? int x = 10; Do { X *= 20; } While (x < 5);

A sentinel value _________ and signals that there are no more values to be entered.

This type of loop will always be executed at least once.

When using the PrintWriter class,which of the following import statements would you write near the top of your program?

What will be the values of x and y as a result of the following code? int x = 25,y = 8; X += y++;

A loop that repeats a specific number of times is known as a(n)

When you open a file with the PrintWriter class,the class can potentially throw an IOException.

What will be the value of x after the following code is executed? int x = 10,y = 20; While (y < 100) { X += y; Y += 20; }

Introduction to Computers and Java

Java Fundamentals

Decision Structures

Methods

A First Look at Classes

A First Look at Gui Applications

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

Advanced Gui Applications

Applets and More

Recursion

Sorting, Searching, and Algorithm Analysis

Generics

Collections

Array-Based Lists

Linked Lists

Stacks and Queues

Binary Trees, Avl Trees, and Priority Queues

Filters

Exam 4: Loops and Files

What will be the value of x after the following code is executed? int x = 10; Do { X *= 20; } While (x < 5);

A sentinel value _________ and signals that there are no more values to be entered.

This type of loop will always be executed at least once.

When using the PrintWriter class,which of the following import statements would you write near the top of your program?

What will be the values of x and y as a result of the following code? int x = 25,y = 8; X += y++;

A loop that repeats a specific number of times is known as a(n)

When you open a file with the PrintWriter class,the class can potentially throw an IOException.

What will be the value of x after the following code is executed? int x = 10,y = 20; While (y < 100) { X += y; Y += 20; }

Introduction to Computers and Java

Java Fundamentals

Decision Structures

Methods

A First Look at Classes

A First Look at Gui Applications

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

Advanced Gui Applications

Applets and More

Recursion

Sorting, Searching, and Algorithm Analysis

Generics

Collections

Array-Based Lists

Linked Lists

Stacks and Queues

Binary Trees, Avl Trees, and Priority Queues

Filters