By Cay S. Horstmann
For those who actually need to grasp Java, it is not adequate to understand the code. you need to start to imagine like a programmer, and during this most modern variation of his bestselling consultant, Java options, programming guru Cay Horstmann indicates you ways. up-to-date to combine Java 6, Java suggestions, 5th variation introduces you to primary programming recommendations and layout abilities which are the most important to studying the way to software. Drawing on his a long time of expertise as knowledgeable programmer and instructor, Horstmann brings out an important parts of computing, challenge fixing, and application layout.
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Additional info for Java Concepts for Java 5 and 6, 5th Edition
10. A compiler translates programs written in a high-level language into machine code. 11. Java was originally designed for programming consumer devices, but it was first successfully used to write Internet applets. 12. Java was designed to be safe and portable, benefiting both Internet users and students. 27 28 13. Java has a very large library. Focus on learning those parts of the library that you need for your programming projects. 14. Set aside some time to become familiar with the computer system and the Java compiler that you will use for your class work.
25 If you get an error message that seems to indicate that the compiler is on the wrong track, it is a good idea to check for spelling and capitalization. All Java keywords use only lowercase letters. Names of classes usually start with an uppercase letter, names of methods and variables with a lowercase letter. If you misspell the name of a symbol (for example, ouch instead of out), the compiler will complain about an “undefined symbol”. That error message is usually a good clue that you made a spelling error.
17. A sequence of random characters, some funny-looking. Class files contain virtual machine instructions that are encoded as binary numbers. 18. When a program has compiler errors, no class file is produced, and there is nothing to run. info Java Concepts, 5th Edition 33 Chapter 2 Using Objects CHAPTER GOALS • To learn about variables • To understand the concepts of classes and objects • To be able to call methods • To learn about parameters and return values T To implement test programs • To be able to browse the API documentation • To realize the difference between objects and object references G To write programs that display simple shapes Most useful programs don't just manipulate numbers and strings.
Java Concepts for Java 5 and 6, 5th Edition by Cay S. Horstmann