Question 1

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 B

Question 2

What will be the value of x after the following code is executed? int x, y = 15, z = 3;
X = (y--) / (++z);

Accepted Answer

A)  3 
B)  4 
C)  5 
D)  6 
A)  3 
B)  4 
C)  5 
D)  6 A

Question 3

When you pass the name of a file to the PrintWriter constructor, and the file already
exists, it will be erased and a new empty file with the same name will be created.

Accepted Answer

A) True 
 B)False  True

Question 4

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

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

This is an item that separates other items.

Accepted Answer

A)  Controller 
B)  Partition 
C)  Doorway 
D)  Delimiter 
A)  Controller 
B)  Partition 
C)  Doorway 
D)  Delimiter

Question 7

When the break statement is encountered in a loop, all the statements in the body of the loop that appear after it are ignored, and the loop prepares for the next iteration.

Accepted Answer

A) True 
 B)False

Question 8

In a for statement, the control variable can only be incremented.

Accepted Answer

A) True 
 B)False

Question 9

This is a control structure that causes a statement or group of statements to repeat.

Accepted Answer

A)  Block 
B)  Loop 
C)  Prefix mode 
D)  Body 
A)  Block 
B)  Loop 
C)  Prefix mode 
D)  Body

Question 10

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 11

You can use this method to determine whether a file exists.

Accepted Answer

A)  The Scanner class's exists method 
B)  The File class's exists method 
C)  The File class's canOpen method 
D)  The PrintWriter class's fileExists method 
A)  The Scanner class's exists method 
B)  The File class's exists method 
C)  The File class's canOpen method 
D)  The PrintWriter class's fileExists method

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

The do-while loop is a pre-test loop.

Accepted Answer

A) True 
 B)False

Question 14

In the for loop, the control variable cannot be initialized to a constant value and tested against a constant value.

Accepted Answer

A) True 
 B)False

Question 15

If a loop does not contain within itself a way to terminate, it is called a(n)

Accepted Answer

A)  while loop 
B)  do-while loop 
C)  for loop 
D)  infinite loop 
A)  while loop 
B)  do-while loop 
C)  for loop 
D)  infinite loop

Question 16

What will be the values of x and y as a result of the following code? int x = 12, y = 5;
X += y--;

Accepted Answer

A)  x = 12, y = 5 
B)  x = 16, y = 4 
C)  x = 17, y = 5 
D)  x = 17, y = 4 
A)  x = 12, y = 5 
B)  x = 16, y = 4 
C)  x = 17, y = 5 
D)  x = 17, y = 4

Question 17

Each repetition of a loop is known as what?

Accepted Answer

A)  An iteration 
B)  A cycle 
C)  An execution 
D)  A Lap 
A)  An iteration 
B)  A cycle 
C)  An execution 
D)  A Lap

Question 18

How many times will the following for loop be executed? for (int count = 10; count <= 21; count++)
System.out.println("Java is great!!!");

Accepted Answer

A)  1 
B)  10 
C)  12 
D)  0 
A)  1 
B)  10 
C)  12 
D)  0

Question 19

In the following code, what values could be read into number to terminate the while loop? Scanner keyboard = new Scanner(System.in);
System.out.print("Enter a number: ");
Int number = keyboard.nextInt();
While (number  500)
{
System.out.print("Enter another number: ");
Number = keyboard.nextInt();
}

Accepted Answer

A)  Numbers less than 100 or greater than 500 
B)  Numbers in the range 100 - 499 
C)  Numbers in the range 100 - 500 
D)  The boolean condition can never be true 
A)  Numbers less than 100 or greater than 500 
B)  Numbers in the range 100 - 499 
C)  Numbers in the range 100 - 500 
D)  The boolean condition can never be true

Question 20

The do-while loop must be terminated with a semicolon.

Accepted Answer

A) True 
 B)False

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

What will be the value of x after the following code is executed? int x, y = 15, z = 3; X = (y--) / (++z);

When you pass the name of a file to the PrintWriter constructor, and the file already exists, it will be erased and a new empty file with the same name will be created.

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; }

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

This is an item that separates other items.

When the break statement is encountered in a loop, all the statements in the body of the loop that appear after it are ignored, and the loop prepares for the next iteration.

In a for statement, the control variable can only be incremented.

This is a control structure that causes a statement or group of statements to repeat.

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

You can use this method to determine whether a file exists.

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

The do-while loop is a pre-test loop.

In the for loop, the control variable cannot be initialized to a constant value and tested against a constant value.

If a loop does not contain within itself a way to terminate, it is called a(n)

What will be the values of x and y as a result of the following code? int x = 12, y = 5; X += y--;

Each repetition of a loop is known as what?

How many times will the following for loop be executed? for (int count = 10; count <= 21; count++) System.out.println("Java is great!!!");

The do-while loop must be terminated with a semicolon.

Introduction to Computers and Java

Java Fundamentals

Decision Structures

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 4: Loops and Files

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

What will be the value of x after the following code is executed? int x, y = 15, z = 3; X = (y--) / (++z);

When you pass the name of a file to the PrintWriter constructor, and the file already exists, it will be erased and a new empty file with the same name will be created.

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; }

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

This is an item that separates other items.

When the break statement is encountered in a loop, all the statements in the body of the loop that appear after it are ignored, and the loop prepares for the next iteration.

In a for statement, the control variable can only be incremented.

This is a control structure that causes a statement or group of statements to repeat.

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

You can use this method to determine whether a file exists.

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

The do-while loop is a pre-test loop.

In the for loop, the control variable cannot be initialized to a constant value and tested against a constant value.

If a loop does not contain within itself a way to terminate, it is called a(n)

What will be the values of x and y as a result of the following code? int x = 12, y = 5; X += y--;

Each repetition of a loop is known as what?

How many times will the following for loop be executed? for (int count = 10; count <= 21; count++) System.out.println("Java is great!!!");

The do-while loop must be terminated with a semicolon.

Introduction to Computers and Java

Java Fundamentals

Decision Structures

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