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... Trang 2Java: Graphical User Interfaces– An Introduction to Java Programming Trang 3© 2009 David Etheridge & Ventus Publishing ... the advert1 The Input/Output Package Chapter One considers some of the classes of the java.io package Java defines input and output (I/O) in terms of classes known as streams Streams provide ... practical situation The reader is referred to the java.io package of the API for the documentation associated with the many stream classes provided by the Java language “The perfect start of a successful,

Ngày tải lên: 18/03/2014, 02:20

... 1Anthony PottsDavid H Friedel, Jr. PROGRAMMING LANGUAGE HANDBOOK Trang 2Chapter 10Java Applet Programming Techniques Trang 4Once you master the basics of using the Javalanguage, you’ll want to learn ... the extra argument is a long value that instructs Java that it must perform the update within that value in milliseconds. Trang 8Java Applet Programming Techniques 291Applet Drawbacks Applets ... infancy and some-one, somewhere will find a way to hack the system However, since Java was Trang 10com-Java Applet Programming Techniques 293produced to be an Internet friendly language (one of

Ngày tải lên: 18/04/2014, 10:22

... reserved. Intro to Java Programming - Tutorial Table of Contents Search Shortcut Trang 3Technical: JavaTable of Contents Next Section Overview In this tutorial, we will be building a Java application ... beginning programmers who have little or no Java programming experience, to experienced programmers who are interested in learning Java Experience with other programming languages is not required, ... the Java Target item in the left pane Your dialog should now look like this: Intro to Java Programming - Setting Up the Project Trang 10The Target Type popup menu has three possible values “Library”,

Ngày tải lên: 27/06/2014, 12:20

... Project: the HelloWeb Applet 2 Java Is a Programming Language 4 Java Is Platform Independent 4 Java Is Relatively Easy to Learn 7 Installing and Setting Up the Java SDK 8 Windows (Win32) Installation ... that demonstrate programming concepts that you can apply to any kind of Java programming solution Many companies use Java because of its platform independence Another use of Java is to create ... trademark of Prima Communi-cations, Inc., Roseville, California 95661. Java, Forte, NetBeans and all trademarks and logos based on Java, Forte and NetBeans are trademarks or registered trade-marks

Ngày tải lên: 03/07/2014, 05:20

... Java programming language and learn how to apply your knowledge to create Java applications and applets Java applications are stand-alone programs that run on your system’s operating system Java ... this book is Java Programming for the Absolute Beginner, so I’m sure that you understand that Java is a programming language Still, it is bene-ficial to understand exactly what a programming language ... becomes Java byte code Java byte code is a compiled Java program that is readily interpreted by the Java run-time environment (JRE) Each operating system has its own JRE, which is essentially a Java

Ngày tải lên: 03/07/2014, 05:20

... commenting used in Java It has the added capability to be converted into HTML documentation using the javadoc utility included with the JDK. The main() Method When running a Java application, ... your system the capability to compile and run Java programs You wrote your first application, learned how to use the javaccommand to compile it and the javacommand to run it After you successfully ... in applets Java-enabled Web browsers typically have a Java console, or window that displays these types of messages For example, if you’re using Internet Explorer, you can call up the Java console

Ngày tải lên: 03/07/2014, 05:20

... in Java You know that in the if-elsestructure, the statement (any valid Java statement) that the program executes if the condition is false follows the elsekeyword The key here is any valid Java ... Take a look at the syntax: if (condition1) { java_statements_for_true_condition1; } else if (condition2) { java_statements_for_true_condition2; } else { java_statements_for_false_conditions; } If ... ifconditional statement If condition2is true, the program executes java_statements_for_true_condition2 Finally, if neither condition is true the java_statements_for_false_conditions are exe-cuted Take a

Ngày tải lên: 03/07/2014, 05:20

... b) return a; return b; } Knowing this, you don’t have to declare a local higher variable to temporarily store the return value Notice that I didn’t include an else? If the condition a > bevaluates ... int: int myIntValue = String.valueOf(5); The main()method is a static method that is called by the Java interpreter when you run an application, but you can also explicitly call this method like ... R A P H I N T 142 J a s o l ut n e Trang 6If at least one constructor method is defined in your Java source file and you tryto compile it, you will get a compiler error if any of those methods

Ngày tải lên: 03/07/2014, 05:20

... Frame from an Applet */ JavaProgAbsBeg-08.qxd 2/25/03 8:54 AM Page 290 Java Programming for the Absolute. ..JavaProgAbsBeg-08.qxd 2/25/03 8:54 AM Page 288 Java Programming for the ... 289 import java. awt.*; import java. applet.Applet; import java. awt.event.*; public void init() { button = new Button("Show 'da Frame");... and you can see Internet Explorer’s Java Console ... source code for AppletInit .java: Chapter 8 Learning Applet Methods: init(), start(), stop(), and destroy() JavaProgAbsBeg-08.qxd 2/25/03 8:54 AM Page 292 Java Programming for the Absolute

Ngày tải lên: 03/07/2014, 05:20

... are: Sun Java This takes you directly to Sun’s Java Web site. (http://java.sun.com). Sun Microsystems This takes you to Sun’s main Web site Sun Microsystems is the innovator behind Java technology ... Trang 1Java SDKClick on the Java SDK button to get to this page From this page, you can run the installation file, which will install Java SDK, version 1.3.1 There are ... example: /* this is a multi-line comment */ This is a javadoc comment example: /** * This is a javadoc comment */ Literals Literals are used in Java to represent values that are of the primitive,

Ngày tải lên: 03/07/2014, 05:20

... using library code you needed to import it You do the same thing with your own modules So, instead of using library code from the Standard Python Library, you’re really just using library code ... to pay off the second you use that module in another program Sharing code with modules is good programming practice. Trang 14price breakThe health club has a new requirement The health club boss

Ngày tải lên: 12/08/2014, 19:20

... send events to your GUI program, too Some of these events are commonly handled by the graphical programming technology you are working with For most of the operating system’s events, tkinter very ... Trang 21Use pygame to set the volumeTurns out pygame has this functionality built right into its library code via the set_volume() method Take a look at this small example program: Set the volume ... slider to the right When Trang 22create the sliderUse tkinter for everything else The tkinter library has a graphical interface element called Scale that lives to help you create a slider Take

Ngày tải lên: 12/08/2014, 19:20

... Reset Essentials of the Java(TM) Programming Language, Part 1 http://developer.java.sun.com/developer ining/Programming/BasicJava1/index.html Trang 4Training IndexJavaTM Programming Language Basics, ... Information A Word About the Java Platform The Java platform consists of the Java application programming interfaces (APIs) and the Java1 virtual machine (JVM) Trang 5Java APIs are libraries of compiled ... Fields and Methods Constructors Essentials of the Java(TM) Programming Language, Part 1 http://developer.java.sun.com/developer ining/Programming/BasicJava1/index.html Trang 2To Summarize More Information

Ngày tải lên: 12/08/2014, 19:21

... install Java Plug-in Java Plug-in lets you run applets on web pages under the 1.2 version of the Java VM instead of the web browser's default Java VM Applet Structure and Elements The Java API ... applet"; setBackground(Color.cyan); Java(TM) Language Basics, Part 1, Lesson 3: Building Applets http://developer.java.sun.com/developer ning/Programming/BasicJava1/applet.html Trang 3 } public ... Terms of Use Privacy Policy Java(TM) Language Basics, Part 1, Lesson 2: Building Applications http://developer.java.sun.com/developer aining/Programming/BasicJava1/prog.html Trang 2Training

Ngày tải lên: 12/08/2014, 19:21

... platforms; an explanation follows Unix: cd /home/zelda/classes javac Send.java javac RemoteServer.java javac RMIClient2.java javac RMIClient1.java rmic -d RemoteServer cp RemoteServer*.class /home/zelda/public_html/classes ... /home/zelda/public_html/classes Win32: cd \home\zelda\classes javac Send.java javac RemoteServer.java javac RMIClient2.java javac RMIClient1.java rmic -d RemoteServer copy RemoteServer*.class \home\zelda\public_html\classes ... \home\zelda\public_html\classes java -Djava.rmi.server.codebase=file: c:\home\zelda\public_html\classes -Djava.rmi.server.hostname=kq6py.eng.sun.com -Djava.security.policy=java.policy RemoteServer The java.rmi.server.codebase

Ngày tải lên: 12/08/2014, 19:21

... Privacy Policy Java (TM) Language Basics, Part 2, Lesson 2: User Interfaces Revisited http://developer.java.sun.com/developer Training/Programming/BasicJava2/ui.html Trang 7JavaTM Programming Language ... this.cost.setText(text2); Java (TM) Language Basics, Part 2, Lesson 2: User Interfaces Revisited http://developer.java.sun.com/developer Training/Programming/BasicJava2/ui.html Trang 3Until ... has two major design flaws Java (TM) Language Basics, Part 2, Lesson 2: User Interfaces Revisited http://developer.java.sun.com/developer Training/Programming/BasicJava2/ui.html Trang 5in the

Ngày tải lên: 12/08/2014, 19:21

... Program Java (TM) Language Basics, Part 2, Lesson 4: Serialization http://developer.java.sun.com/developer ning/Programming/BasicJava2/serial.html Trang 2The Send.java and RemoteServer.java classes ... Use Privacy Policy Java (TM) Language Basics, Part 2, Lesson 4: Serialization http://developer.java.sun.com/developer ning/Programming/BasicJava2/serial.html Trang 5JavaTM Programming Language ... Use Privacy Policy Java (TM) Language Basics, Part 2, Lesson 5: Collections http://developer.java.sun.com/developer ning/Programming/BasicJava2/collec.html Trang 8JavaTM Programming Language

Ngày tải lên: 12/08/2014, 19:21

... /home/zelda/classes javac server/Send.java javac server/RemoteServer.java javac client2/RMIClient2.java javac client1/RMIFrenchApp.java javac client1/RMIGermanApp.java javac client1/RMIEnglishApp.java rmic ... \home\zelda\classes javac server\Send.java javac server\RemoteServer.java javac client2\RMIClient2.java javac client1\RMIFrenchApp.java javac client1\RMIGermanApp.java javac client1\RMIEnglishApp.java rmic ... \home\zelda\classes javac Send.java javac RemoteServer.java javac RMIClient2.java javac RMIClient1.java Java(TM) Language Basics, Part 2, Lesson 6: Internationalization http://developer.java.sun.com/developer

Ngày tải lên: 12/08/2014, 19:21

... it exists When in doubt, look to the Java library APIs for guidance While there are plenty of inconsistencies—inevitable, given the size and scope of the libraries—there is also consensus An invaluable ... invaluable resource is Patrick Chan's The Java Developers Almanac [Chan00], which contains the method declarations for every single method in the Java platform libraries, indexed alphabetically If, ... exception into the correct one Do not infer from this item that arbitrary restrictions on parameters are a good thing On the contrary, you should design methods to be as general as it is practical

Ngày tải lên: 12/08/2014, 22:22

... Chan98] The libraries are too big to study all the documentation, but every programmer should be familiar with the contents of java.lang , java.util, and, to a lesser extent, java.io Knowledge ... improvements Libraries also tend to gain new functionality over time If a library class is missing some important functionality, the developer community will make this shortcoming known The Trang 7Java ... the organizations that supply these libraries have a strong incentive to make them run faster For example, the standard multiprecision arithmetic library, java.math, was rewritten in release 1.3,

Ngày tải lên: 12/08/2014, 22:22