an introduction to java programming

... David Etheridge Java: Graphical User Interfaces – An Introduction to Java Programming Download free eBooks at bookboon.com Java: Graphical User Interfaces – An Introduction to Java Programming © ... IT, procurement and finance, to strategy, customer support, marketing and sales Positions are available in France, Germany, Spain and the UK An EADS internship offers the chance to use your theoretical ... Package Java: Graphical User Interfaces 1.1 An Introduction to Steams A stream is an abstraction of the underlying mechanism that is used by an operating system to transfer information into and out...

Ngày tải lên: 18/03/2014, 02:20

... An Introduction to Network Programming with Java www.it-ebooks.info www.it-ebooks.info Jan Graba An Introduction to Network Programming with Java Java Compatible Third Edition ... JScrollPane(display), BorderLayout.CENTER); buttonPanel = new JPanel(); timeButton = new JButton("Get date and time "); timeButton.addActionListener(this); buttonPanel.add(timeButton); exitButton ... add(report,BorderLayout.CENTER); buttonPanel = new JPanel(); seekButton = new JButton("Seek server ports "); seekButton.addActionListener(this); buttonPanel.add(seekButton); exitButton = new JButton("Exit"); exitButton.addActionListener(this);...

Ngày tải lên: 24/04/2014, 14:35

... Java was used to develop an automatic grading system to accompany this book 10 Chapter Introduction to Computers, Programs, and Java Java is a versatile programming language You can use it to ... the Java API Java is a full-fledged and powerful language that can be used in many ways It comes in three editions: Java Standard Edition (Java SE), Java Enterprise Edition (Java EE), and Java ... Chapter Introduction to Computers, Programs, and Java You can use any text editor or IDE to create and edit a Java source-code file This section demonstrates how to create, compile, and run Java...

Ngày tải lên: 28/04/2014, 15:43

... than or equal to Less than or equal to Equal to Not equal to Logical Operators The logical operations “and,” “or,” and “not” evaluate to TRUE, FALSE, or NA R provides both vectorized and unvectorized ... self-defense To quote the editorialist Ambrose Bierce, “Plan or be planned for.” Getting Ready to Program According to computer scientist and educator Jeremy Penzer, programming in any language should ... learn how to get and install R and R packages, how to program in R, and how to write custom functions The standard descriptive statistics and graphics are covered in Chapters to Chapters to 14 cover...

Ngày tải lên: 01/08/2014, 17:29

... Operator level Description Associativity < >= Less than Less than, equal to Greater than Greater than, equal to Left to right == != Equal to Not equal to Left to right & Bitwise AND Left to ... Tam Java History (5) - Problem: There was already a programming language called Oak - The “Green” team met at a local coffee shop to come up with another name • Java! James Tam Java: History ... Green and work on the Java language was nearly canceled James Tam Java: History (7) •The popularity of the Internet resulted in Sun’s re-focusing of Java on computers •Prior to the advent of Java, ...

Ngày tải lên: 23/10/2014, 13:56

... objects can and cannot An object is called an instance of a class An object is an instance of exactly one class An instance of a class belongs to the class The two Bicycle objects Moto-1 and Moto-2 ... 2.4 2.5 xi Introduction to Computers and Programming Languages A History of Computers Computer Architecture Programming Languages Java Introduction to Object-Oriented Programming and Software ... The Java language is merely a means to implement a design into an executable program We chose Java for this book because Java is a much easier language than other object-oriented programming languages...

Ngày tải lên: 08/03/2014, 02:20

... computers can only follow instructions if specified in a language they can understand These are called programming languages There are very many languages that the computer can understand and Small ... For and EndFor But if you wanted the variable to be incremented by instead of – like say, you wanted to print out all the odd numbers between and 24, you can use the loop to that too For i = To ... to read and comprehend This is very important if you want to understand someone else’s program or if you want your program to be understood by others Sometimes, it is helpful even when you want...

Ngày tải lên: 17/03/2014, 23:20

... Suffice it to say that C# provides you with a robust object-oriented programming language and an impressive set of tools to tackle almost any programming task Whether you wish to develop desktop, distributed, ... Window Toolbar Window Figure 1-7 Back in the Dark Ages of programming, you had to load and run a programming editor to write the program’s source code Next, you had to close the editor and load ... Chapter 10: Designing and Writing Custom Classes Constructors Default Constructors Non-Default Constructors Constructor Overloading Property Methods Getters and Setters What to Do if an Error Occurs...

Ngày tải lên: 22/03/2014, 16:20

... need to change to your new folder; the cd within MATLAB allows you to change directories In MATLAB6 you can use the symbol at the top of the control environment to change the working directory and ... needs to be done once), the second command changes your working directory to Matlab Files and the third command invokes MATLAB (to check that you are in the correct directory use the command pwd to ... you enter commands Changing the way you enter a command, even subtly can completely change its meaning The main aim of this text is to teach you to converse with MATLAB and understand its responses...

Ngày tải lên: 08/04/2014, 09:57

... spiders and bots Heaton leads the Encog project, an open source initiative to provide an advanced neural network and bot framework for Java and C# A Sun Certified Java Programmer and a Senior Member ... network closer to being able to function as an XOR operator iteoh=1 n pc ; d { o tanieain) ri.trto(; Sse.u.rnl(Eoh# +eoh+ ytmotpitn"pc " pc "Err"+tangtro() ro: ri.eErr); eoh+ pc+; }wietangtro( >00) ... Heaton is an author, consultant, artificial intelligence (AI) researcher and former college instructor Heaton has penned more than a dozen books on topics including AI, virtual worlds, spiders and...

Ngày tải lên: 28/04/2014, 10:10

... object-oriented programming language and an impressive set of tools to tackle almost any programming task Whether you wish to develop desktop, distributed, web, or mobile applications, C# can handle the ... Window Toolbar Window Figure 1-7 Back in the Dark Ages of programming, you had to load and run a programming editor to write the program’s source code Next, you had to close the editor and load ... a company and you need to hire someone to fill an important position After sifting through dozens of résumés, you select one candidate to call for a face -to- face interview at your company offices...

Ngày tải lên: 28/04/2014, 15:33

... JScrollPane(display), BorderLayout.CENTER); buttonPanel = new JPanel(); timeButton = new JButton("Get date and time "); timeButton.addActionListener(this); buttonPanel.add(timeButton); exitButton ... indication to either sender or intended recipient that An Introduction to Network Programming with Java anything had gone wrong), it was decided to place another protocol layer on top of IP This ... import import import import java. awt.*; java. awt.event.*; javax.swing.*; java. net.*; java. io.*; 34 An Introduction to Network Programming with Java public class PortScanner extends JFrame implements...

Ngày tải lên: 28/04/2014, 15:40

... computer programming language You can use Emacs Lisp as you would any other programming language Perhaps you want to understand programming; perhaps you want to extend Emacs; or perhaps you want to ... referring to GNU Emacs Lisp in particular Thank You My thanks to all who helped me with this book My especial thanks to Jim Blandy, Noah Friedman, Jim Kingdon, Roland McGrath, Frank Ritter, Randy ... and guided tours will give you an xii Preface opportunity to get acquainted with Emacs as a Lisp programming environment GNU Emacs supports programming and provides tools that you will want to...

Ngày tải lên: 27/06/2014, 09:20

... Syntax and semantics of the Java programming language Java API Predefined classes and interfaces for developing Java programs JLS is stable, but the API is still expanding Java API – Editions Java ... Information Technology What is Java? An object-oriented programming language developed by Sun Microsystems Also a platform to support Java applications (technology) A little bit history 1991: A team led ... electronic appliances 1995: renamed Java - redesigned for developing Internet applications (Java 1.0 1.1) 1998: Sun announced the Java platform (1.2,1.3,1.4) 2005 - Now: Java (Java 1.5 - newest...

Ngày tải lên: 27/06/2014, 21:20

... * This is more difficult in Java,  which does not provide “Monitor.Enter” and “Monitor.Exit”.  An Introduction to Programming with C# Threads 21 We can now revise “RW” to arrange that only waiting readers wait on the main  “RW”  object,  and  that  ... * A C# “delegate” is just an object constructed from an object and one of its methods. In  Java you would instead explicitly define and instantiate a suitable class.  An Introduction to Programming with ... appropriate parameter data from the user interface state (e.g., the contents of text  boxes or radio buttons), and arrange for an asynchronous thread to do the work.  An Introduction to Programming with C# Threads 27 In making this judgment call you need to consider the worst case delay that your ...

Ngày tải lên: 07/07/2014, 00:20

... computer programming language You can use Emacs Lisp as you would any other programming language Perhaps you want to understand programming; perhaps you want to extend Emacs; or perhaps you want to ... referring to GNU Emacs Lisp in particular Thank You My thanks to all who helped me with this book My especial thanks to Jim Blandy, Noah Friedman, Jim Kingdon, Roland McGrath, Frank Ritter, Randy ... and guided tours will give you an xii Preface opportunity to get acquainted with Emacs as a Lisp programming environment GNU Emacs supports programming and provides tools that you will want to...

Ngày tải lên: 09/08/2014, 12:22

... used as an argument to a function that requires one We can see this by using other-buffer and switch -to- buffer to switch to a different buffer But first, a brief introduction to the switch -to- buffer ... thousands of lines long—too long to be conveniently displayed; and, another buffer may have the same contents but a different name, and it is important to distinguish between them Here is an expression ... tell humans what it means The choice of name is up to the programmer and should be chosen to make the meaning of the function clear Indeed, you can choose any name you wish for a symbol in an argument...

Ngày tải lên: 09/08/2014, 12:22

... than the buffer passed to other-buffer as an argument and other than the current buffer) switch -to- buffer Select a buffer for Emacs to be active in and display it in the current window so users can ... function It shows how to use let and save-excursion, and how to change to and come back from another buffer Many function definitions use let, save-excursion, and set-buffer this way 4.5 Review ... of an asterisk in an interactive expression, use of or, and the important distinction between a name and the object to which the name refers 5.1 The Definition of copy -to- buffer After understanding...

Ngày tải lên: 09/08/2014, 12:22

... text to the kill ring as the latest item, and sets the kill-ring-yank-pointer variable to point to it 8.3 delete-and-extract-region: Digressing into C The zap -to- char command uses the delete-and-extract-region ... zap -to- char 89 Cutting and Storing Text Whenever you cut or clip text out of a buffer with a ‘kill’ command in GNU Emacs, it is stored in a list and you can bring it back with a ‘yank’ command ... rather than being added to the list." 106 Chapter 8: Cutting and Storing Text (and (fboundp ’menu-bar-update-yank-menu) (menu-bar-update-yank-menu string (and replace (car kill-ring)))) (if (and replace...

Ngày tải lên: 09/08/2014, 12:22

... yank and yankpop functions is: (insert (car kill-ring-yank-pointer)) To begin to understand how yank and yank-pop work, it is first necessary to look at the kill-ring-yank-pointer variable and the ... list is transformed into a ring The rotate-yank-pointer function itself is not difficult, but contains many details It and the much simpler yank and yankpop functions are described in an appendix ... in a row; and the total number of pebbles, which is what we want to calculate These variables can be named number-of-rows, number-of-pebbles-in-row, and total, respectively Both total and number-of-pebbles-in-row...

Ngày tải lên: 09/08/2014, 12:22