A programmer's guide to Java SCJP certification a comprehensive primer

1089 Pages·6.211 MB·English

by  Mughal, Khalid;Rasmussen, Rolf

A Programmer’s Guide to
Java™ SCJP Certification
Third Edition
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A Programmer’s Guide to
Java SCJP Certification
™
A Comprehensive Primer
Third Edition
Khalid A. Mughal
Rolf W. Rasmussen
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Library of Congress Cataloging-in-Publication Data
Mughal, Khalid Azim.
A programmer's guide to Java SCJP certification : a comprehensive primer / Khalid A.
Mughal, Rolf W. Rasmussen.—3rd ed.
p. cm.
Previously published under title: A programmer’s guide to Java certification.
Includes bibliographical references and index.
ISBN 0-321-55605-4 (pbk. : alk. paper)
1. Electronic data processing personnel--Certification. 2. Operating systems (Comput-
ers)—Examinations--Study guides. 3. Java (Computer program language)--Examinations--
Study guides. I. Rasmussen, Rolf (Rolf W.) II. Mughal, Khalid Azim. Programmer’s guide
to Java certification. III. Title.
QA76.3.M846 2008
005.2'762--dc22 2008048822
Copyright © 2009 Pearson Education, Inc.
All rights reserved. Printed in the United States of America. This publication is protected by
copyright, and permission must be obtained from the publisher prior to any prohibited
reproduction, storage in a retrieval system, or transmission in any form or by any means,
electronic, mechanical, photocopying, recording, or likewise. For information regarding
permissions, write to:
ISBN-13: 978-0-321-55605-9
ISBN-10: 0-321-55605-4
Text printed in the United States on recycled paper at Courier in Stoughton, Massachusetts.
First printing, December 2008
To the loving memory of my mother, Zubaida Begum,
and my father, Mohammed Azim.
—K.A.M.
For Olivia E. Rasmussen and
Louise J. Dahlmo.
—R.W.R.
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Contents Overview
Foreword xxxv
Preface xxxvii
1 Basics of Java Programming 1
2 Language Fundamentals 19
3 Declarations 39
4 Access Control 103
5 Operators and Expressions 159
6 Control Flow 203
7 Object-Oriented Programming 283
8 Nested Type Declarations 351
9 Object Lifetime 389
10 Fundamental Classes 423
11 Files and Streams 467
12 Localization, Pattern Matching and Formatting 531
13 Threads 613
14 Generics 661
vii
viii CONTENTS
15 Collections and Maps 747
A Taking the SCJP 1.6 Exam 851
B Objectives for the SCJP 1.6 Exam 857
C Objectives for the SCJP 1.6 Upgrade Exam 863
D Annotated Answers to Review Questions 869
E Solutions to Programming Exercises 935
F Mock Exam 959
G Number Systems and Number Representation 1005
Index 1013
Contents
List of Figures xxiii
List of Tables xxvii
List of Examples xxix
Foreword xxxv
Preface xxxvii
1 Basics of Java Programming 1
1.1 Introduction 2
1.2 Classes 2
Declaring Members: Fields and Methods 3
1.3 Objects 4
Class Instantiation, Reference Values, and References 4
Object Aliases 6
1.4 Instance Members 6
Invoking Methods 7
1.5 Static Members 7
1.6 Inheritance 10
1.7 Aggregation 12
1.8 Tenets of Java 13
Review Questions 13
1.9 Java Programs 15
1.10 Sample Java Application 15
Essential Elements of a Java Application 15
Compiling and Running an Application 16
Review Questions 17
Chapter Summary 18
Programming Exercise 18
ix