Sams Teach Yourself Java in 21 Days (Covers Java 11/12) - Rogers Cadenhead

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Résumé :
In arenas ranging from enterprise development to Android app programming, Java remains one of the world's most popular programming languages. Sams Teach Yourself Java in 21 Days helps the serious learner gain true mastery over the new Java 9.  ...

Biographie:
Week 1 introduces the basic building blocks of the Java programming language: keywords, operators, class and object definitions, packages, interfaces, exceptions, and threads.  ...

Sommaire:

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 How This Book Is Organized ....................................................................................................2 Who Should Read This Book ...................................................................................................4 Conventions Used in This Book ...............................................................................................5 PART I The Java Language . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 LESSON 1: Getting Started with Java 9 The Java Language ..................................................................................................................10 Object-Oriented Programming ................................................................................................13 Objects and Classes .................................................................................................................14 Attributes and Behavior ..........................................................................................................16 Organizing Classes and Class Behavior ..................................................................................25 Summary .................................................................................................................................32 Q&A ........................................................................................................................................33 Quiz .........................................................................................................................................34 Certification Practice ...............................................................................................................35 Exercises ..................................................................................................................................35 LESSON 2: The ABCs of Programming 37 Statements and Expressions ....................................................................................................38 Variables and Data Types ........................................................................................................38 Comments................................................................................................................................46 Literals .....................................................................................................................................47 String Literals ...............................................................................................................50 Expressions and Operators ......................................................................................................51 String Arithmetic .....................................................................................................................60 Summary .................................................................................................................................62 Q&A ........................................................................................................................................62 Quiz .........................................................................................................................................63 Certification Practice ...............................................................................................................64 Exercises ..................................................................................................................................65 LESSON 3: Working with Objects 67 Creating New Objects .................