java, java, java：java，java，java.pdf

Java, Java, Java Object-Oriented ProblemSolving Third Edition R. Morelli and R. Walde Trinity College Hartford, CT February 5, 2012 This work is licensed under a mons Attribution-NoDerivs Unported License. This book was previously published by Pearson Education, Inc. Preface to the Open Source Edition Java, Java, Java, 3ewas previously published by Pearson Education, Inc. The ?rst edition (2000) and the second edition (2003) were published by Prentice-Hall. In 2010 Pearson Education, Inc. reassigned thecopyright to the authors, and we are happy nowto be able to make the book available under an open source license. This PDF edition of the book is available under a - mons Attribution-NoDerivs Unported License, which allows the book to be used and shared (with attribution), but not changed ( /licenses/by-nd//). As time permits we hope to be able to provide an extensible version of the book and its contents in the not too distant future. – Ralph Morelli and Ralph Walde – Hartford, CT – February 6, 2012 i ii Preface to the Third Edition We have designed this third edition ofJava, Java, Javato be suitable for a typical Introduction puter Science (CS1) course or for a slightly more advanced Java as a Second Language course. This editionretains the “objects ?rst” approach to programming and problem solving that was characteristic of the ?rst two editions. Throughout the text we emphasize careful coverage of Java language features, introductory programming concepts, and object-oriented design principles. The third edition retains many of the features of the ?rst twoeditions, including: ?Early Introduction of Objects ?Emphasis on Object Oriented Design (OOD) ?Uni?ed Modeling Language (UML) Diagrams ?Self-study Exercises with Answers ?Programming, Debugging, and Design Tips. ?Fromthe Java LibrarySections ?Object-Oriented DesignSections ?End-of-Chapter Exercises ?Companion Web Site, with Power Points and other Resources TheIn the Laboratorysections fromthe ?rst two