United States Bankruptcy Law and Java Methods Answers

Topics: United States bankruptcy law, Bankruptcy in the United States, Bankruptcy Pages: 19 (3908 words) Published: September 18, 2013
Java Methods

Second AP* Edition — with GridWorld

Object-Oriented Programming and Data Structures

Answers and Solutions to Exercises
(for students )
Maria Litvin
Phillips Academy, Andover, Massachusetts

Gary Litvin
Skylight Software, Inc.

Skylight Publishing Andover, Massachusetts

*AP

and the Advanced Placement are registered trademarks of the College Entrance Examination Board; their use does not constitute endorsement of this material by the College Board.

Skylight Publishing 9 Bartlet Street, Suite 70 Andover, MA 01810 (978) 475-1431 e-mail: support@skylit.com web: http://www.skylit.com

Copyright © 2011 by Maria Litvin and Gary Litvin All rights reserved. Teachers who purchased Java Methods are allowed to make one copy. However, we ask you not to do this to help keep answers and solutions confidential. No part of this material may be reproduced for any other purpose without a prior written permission of the authors.

Contents
Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Chapter 7 Chapter 8 Chapter 9 Chapter 10 Chapter 11 Chapter 12 Chapter 13 Chapter 14 Chapter 15 Chapter 16 Chapter 17 Chapter 18 Chapter 19 Chapter 20 Chapter 21 Chapter 22 Chapter 23 Chapter 24 Chapter 25 Chapter 26 Chapter 27 An Introduction to Hardware, Software, and the Internet An Introduction to Software Development Objects and Classes Algorithms Java Syntax and Style Data Types, Variables, and Arithmetic Boolean Expressions and if-else Statements Iterative Statements: while, for, do–while Implementing Classes and Using Objects Strings Class Hierarchies and Interfaces Arrays java.util.ArrayList

Searching and Sorting Streams and Files Graphics GUI Components and Events Mouse, Keyboard, Sounds, and Images Big-O Analysis of Algorithms The Java Collections Framework Lists and Iterators Stacks and Queues Recursion Revisited Binary Trees Lookup Tables and Hashing Heaps and Priority Queues Design Patterns

4

JAVA METHODS ANSWERS AND SOLUTIONS TO EXERCISES

Chapter 1. An Introduction to Hardware, Software, and the Internet 2.

° °
4. (a)
A B

6.

(b) F -- files are created by the operating system (c) F -- only the boot record is in ROM. Actually, it can boot any operating system that it can find on disk. (c) S (b) T (however, if you refer to “ASCII” characters as a subset of Unicode, then each “ASCII” character, as all Unicode characters, is represented in two bytes, with the first byte equal to 0) (a) 23 = 8

8. 10.

11.

12. Binary Decimal 11 (d) 00001011 (g) 00000101 10010010 1426 14. 16. 20. Hex 0B 0592

512 * 512 * 8 bits = 256 KB. (It takes 8 bits to represent 256 = 28 different values.) Yes. You can use 2 bits per square, for example 00 = empty, 01 = ‘o’, 11 = ‘x’. Then you need 9 * 2 = 18 bits = 2.25 bytes. (a) H (d) S (f) H

CHAPTER 3

5

Chapter 2. An Introduction to Software Development
1. 3. 6. 9. 10. 11. (c) F (b) F (a compiler is needed only for software development) T

See JM\Ch02\Exercises\Solutions\PrintFace.java.
BLACK, BLUE, CYAN, DARK_GRAY, GRAY, GREEN, LIGHT_GRAY, MAGENTA, ORANGE, RED, PINK, WHITE, YELLOW.

(b) + adds two numbers, but it concatenates strings and concatenates a number to a string. If you remove the parentheses around n + n, then concatenation will be performed first, and instead of, say, 10 you will get 55. See JM\Ch02\Exercises\Solutions\HelloApplet2.java and JM\Ch02\Exercises\Solutions\TestApplet2.html.

14.

Chapter 3. Objects and Classes
1. 2. 3. 4. 8.
import import import import import info.gridworld.actor.ActorWorld; info.gridworld.grid.Location; info.gridworld.actor.Bug; info.gridworld.actor.Rock; java.awt.Color;

(c) F — it’s the other way around: it tells the compiler where it can find classes used by this class. (a) F -- it also uses GridWorld’s library classes (d) F (b) around 350 (b) T (e) F — an object may not even have an init method.

public class BugRunner { public static void main(String[] args) {...
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