TAILIEUCHUNG - Absolute Java

This chapter introduces you to the Java language and gives you enough details to allow you to write simple programs involving expressions, assignments, and console output. The details about assignments and expressions are similar to that of most other highlevel languages. Every language has its own way of handling strings and console output, so even the experienced programmer should look at that material. Even if you are already an experienced programmer in some language other than Java, you should read at least the subsection entitled “A Sample Java Application Program” in Section and preferably all of Section , and you should read all of Section . | SAVITCH Classes and Methods References Scanner Class Input Automatic Boxing Enhanced for Loop Interlaces Inheritance Polymorphism Encapsulation Generics Streams and File I O Exception Handling ArrayList Linked Lists Swing GUIs Threads ABSOLUTE 3rd Edition Introduction to J ava 2 Origins of the Java Language 2 Objects and Methods 3 Applets 4 A Sample Java Application Program 5 Byte-Code and the Java Virtual Machine 8 Class Loader 10 Compiling a Java Program or Class 10 Running a Java Program 11 Expressions and Assignment Statements 13 Identifiers 13 Variables 15 Assignment Statements 16 More Assignment Statements 19 Assignment Compatibility 20 Constants 21 Arithmetic Operators and Expressions 23 Parentheses and Precedence Rules 24 Integer and Floating-Point Division 26 Type Casting 29 Increment and Decrement Operators 30 The Class String 33 String Constants and Variables 33 Concatenation of Strings 34 Classes 35 String Methods 37 Escape Sequences 42 String Processing 43 The Unicode Character Set 43 Program Style 46 Naming Constants 46 Java Spelling Conventions 48 Comments 49 Indenting 50 Chapter Summary 51 Answers to Self-Test Exercises 52 Programming Projects 54 1 Getting Started Getting Started She starts she moves she seems to feel The thrill of life along her keel. HENRY WADSWORTH LONGFELLOW The Building of the Ship Introduction This chapter introduces you to the Java language and gives you enough details to allow you to write simple programs involving expressions assignments and console output. The details about assignments and expressions are similar to that of most other high-level languages. Every language has its own way of handling strings and console output so even the experienced programmer should look at that material. Even if you are already an experienced programmer in some language other than Java you should read at least the subsection entitled A Sample Java Application Program in Section and preferably all of Section and you

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