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• Submitting Java Code with Junit unit test

  - by LivingThing

  I have mostly work on simple java programs and compiled and run it with eclipse on Windows. So, i have no experience of using command prompt for compiling Java projects and do not have much info about what actually happens beneath the play button in Eclipse. Now i have to submit a Java application which will have basic operation on XML. My project also will have (JUnit) Unit Test. My question is related to submission of this Project. Which files would be necessary to submit the code. So, it executes properly? Does chosing eclipse as an IDE or junit as a unit testing framweork produces any dependenices i.e the executor of the program should have eclipse/libraries to execute the program on his machine?

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• what is best book to learn optimized programming in java [closed]

  - by Abhishek Simon

  Possible Duplicate: Is there a canonical book for learning Java as an experienced developer? Let me elaborate a little: I used to be a C/C++ programmer where I used data structure concept like trees, queues stack etc and tried to optimize as much as possible, minimum no. of loops, variables and tried to make it efficient. It's been a couple of years that I started writing java codes, but it is simply not that efficient in terms of performance, memory intensive etc. To the point: I want to enter programming challenges using java so I need to improve my approach at things I program. So please suggest me some books that can help me learn to program better and have a chance in solving challenges in programming.

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• How to get interest in programming especially in java and android [closed]

  - by aditi

  I am new in this community. I just completed my Btech in Computer science, I have interest towards programming especially java. I started studying java but i am little bit slow in logic and understanding the concepts. I have some good books of java but when doing the program i am losing my confidence because of the logic issues. I have some doubts How can i improve my logical and coding skills HOw to get more and more interest in programming (like i heard about some programmers who are geeks, i mean programming machines). Is there any shortcut for studying programming Please provide some suggestions as i knew this forum has lots of good programmers. Please share ur thoughts and how you people improving ur logics. Any help is appreciated

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• Java 8 for Tablets, Pis, and Legos at Silicon Valley JUG - 8/20/2014

  - by hinkmond

  A bunch of people attended the Silicon Valley Java Users Group meeting last night and saw Stephen Chin talk about "Java 8 for Tablets, Pis, and Legos". I was there and thought Stephen's presentation and demos were very cool as always. Here are some photos (mostly taken by Arun) from last night. See: Photos from SV JUG 8/20/2014 The most interesting combination of the topics from last night (to me at least) is to combine Lambdas from Java SE Embedded 8 with running on an embedded device like the Raspberry Pi, or even better on an i.MX6 target device with a quad-core processor. Lambdas and Embedded, now that's a cool combo... Hinkmond

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• Are Java certifications important for an architect role?

  - by Tahir Akram

  My this question is career path related. I want to know how much Java Certifications (SCJP, SCWCD and others) are important for an architect position. If a person posses a good experience in Java development and want to pursue his career on architect level, do you guys think he need to have certification on his CV. If he has never worked on lead developer roles? If you conducting my interview for an architect position. And I have worked as a Java web developer in different teams having 5 years of exp. Never lead any. And I am having certification badges on my CV. How can a developer make his career path towards being an architect in a team?

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• Is Java easy decompilation a factor worth considering

  - by Sandra G

  We are considering the programming language for a desktop application with extended GUI use (tables, windows) and heavy database use. We considered Java for use however the fact that it can be decompiled back very easily into source code is holding us back. There are of course many obfuscators available however they are just that: obfuscators. The only obfuscation worth doing we got was stripping function and variables names into meaningless letters and numbers so that at least stealing code and renaming it back into something meaningful is too much work and we are 100% sure it is not reversible back in any automated way. However as it concerns to protecting internals (like password hashes or sensible variables content) we found obfuscators really lacking. Is there any way to make Java applications as hard to decode as .exe counterparts? And is it a factor to consider when deciding whether to develop in Java a desktop application?

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• E-books make smart kids using Java ME mobile phones

  - by hinkmond

  Worldreader has been distributing e-books on Kindle devices to children in sub-Saharan Africa to teach the students how to read. But now, Worldreader has also created a Java ME app that helps even more students in developing countries to have access to free books. See: Reaching more students w/Java ME Here's a quote: In many African countries, 80 percent of the population owns a cell phone. Up to now, Worldreader has focused on distributing Kindles to classrooms (the organization’s founder is former Amazon exec, but by making e-books available via cell phones the organization can reach a much wider group of readers. Using technology to teach kids how to read in developing nations is a good way to use mobile devices like Java ME feature phones--a lot better than trying to slingshot cartoon angry birds at green pigs on those other platforms, doncha think? Hinkmond

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• Java based webservices

  - by java_mouse

  We are working on a big java project and as a second phase in this project, we will have to develop some web services that the clients can call and get or update the data in our database. Though I have been a Java programmer for a while, I have never worked on web services yet. I develop EJBs, data services layer etc but have not worked in web services yet. What are the current standards in developing web services in Java platform? What is the best and recommended way for developing web-services? Any input/link will be appreciated

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• Text comparison algorithm using java-diff-utils

  - by java_mouse

  One of the features in our project is to implement a comparison algorithm between two versions of text and provide a % change between the two versions. While I was researching, I came across google java-diff-utils project. Has anyone used this for comparing text using java-diff-utils ? Using this utility, I can get a list of "delta" which I assume I can use it for the % of difference between two versions of the text? Is this a correct way of doing this? If you have done any text comparison algorithm using Java, could you give me some pointers?

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• Send SMS text messages for FREE using Java ME

  - by hinkmond

  Here's a way to get around those nasty SMS text messages charges (and maybe a way to get around the Pakistan SMS text censors too!). Use this Java ME SMS text app for your Java ME mobile phone, called JaxtrSMS: See: JaxtrSMS free Java ME SMS Here's a quote: JaxtrSMS lets you send FREE SMS and txt messages to any mobile phone in the world. Best of all, the receiver does not have to have the JaxtrSMS app. International and local SMS/texting can be expensive but with JaxtrSMS you can text anyone in the world for FREE! Great! Now, you can send 2,000 text messages from your phone every month and not worry about a huge bill. You don't send 2,000 text message in a month? Well, get it for your teenage kids then. They certainly send 2,000 text messages in a month... Hinkmond

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• Java or C# for a PL/SQL Developer

  - by OracleDeveloper

  Hello, Can you Please suggest as what should be my next carrer move , I am an Oracle Developer , I worked in Forms and reports and know good PL/SQL and SQL. Now , I am thinking to learn new technology as there no jobs in PL/SQL alone and Oracle front-end Forms and reports are on the verge of extinction. The issue is that I have with Java is its HUGE and I need to learn a lot many other technologies as well ( struts , hibernate , spring etc ) in addtion to adv java and Java EE coming. I am think as which technology can give with edge , with PL/SQL and Oracle ... Thank you.

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• Java ME Tech Holiday Gift Idea #3: Kindle Touch Wi-Fi

  - by hinkmond

  Here's a Java ME tech-enabled device holiday gift idea: The venerable Amazon Kindle Touch with built-in Wi-Fi. Niiiice! See: Java ME Tech Gift Idea #3 Here's a quote: + Most-advanced E Ink display, now with multi-touch + New sleek design - 8% lighter, 11% smaller, holds 3,000 books + Only e-reader with text-to-speech, audiobooks and mp3 support + Built in Wi-Fi - Get books in 60 seconds If you want to give someone special a cool device, you want to give something with Java ME technology. Give only the best this holiday season! Hinkmond

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• New qeep app for Java ME feature phones: meet qeepy people

  - by hinkmond

  Is it "qeepy" if you meet people by using your cell phone instead of, you know, talking to them? Nah. Not if it's a Java ME cell phone! See: Use Qeep to Meet Peeps Here's a quote: Qeep is a free app, and compatible with over 1,000 Java-enabled feature phones... ... Qeep is one of the world's largest mobile gaming and social discovery platforms. Members of the mobile community can play live multiplayer games; blog photos; send sound attacks, text messages and virtual gifts; and meet new friends worldwide. So, go on. Go, use Qeep on your Java ME feature phone to play multiplayer games, blog photos, and meet new friends worldwide. No one will think that you're weird... Not much, at least. Hinkmond

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• Jump into Android or learn Java basics first?

  - by daniels

  I am quite proficient in C and know some C++, but never touched Java. Recently I got an idea for an app which I think has potential, and I want to develop it. I am planning to go Android first, cause it doesn't require a mac/iPhone. So my question is: can I go straight to learning Android development, picking up the Java syntax as I go along and need it (after all I don't think it's much different from C/C++), or should I take a couple of weeks to learn the basics of Java first and then start with Android development?

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• Didmo did mo' to advance Java ME technology than other companies

  - by hinkmond

  Here's a company that's keeping Java ME tech real in the field. DIDMO is the creator of Magmito, a user-generated mobile content creation service. That's a good thing to have when there are so many mobile platforms out there to choose from. See: Didmo does mo' Here's a quote: DIDMO's mission is to deliver the market leading mobile application generator. We will achieve this by meeting the growing market demand for a true end-to-end solution for easy mobile content creation and universal delivery. Our software offering will incorporate an award- winning toolset with universal reach (from Java to [that other platform]), Make an app today! Just make sure it's a Java ME app... Hinkmond

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• Install Java on Ubuntu server (Parallels Plesk)

  - by atMaarten

  I want to install Java to my server so I can use PHP shell_exec to compile Java online. So I'm trying to install Java on my webserver (Ubuntu - Parallels Plesk). I logged in to the server with PuTTY and tried some commands like: sudo apt-get install openjdk-6-jre or sudo apt-get install oracle-java7-installer But than I get error's like: Package drweb-bases must be reinstalled, but there can be no archive found. I tried to uninstall drweb-bases, reinstall, no matter what. I still get that error. What you I need to do? I am doing it completly wrong? Am I not destroying my webserver? There is not much to find on this topic on Google.

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• Open source management game in java

  - by jcw

  I am trying to find an open source sport management game, much like the link below, but am failing to do so. There are two links provided in the below question that are both fine,'except for one minor problem - I only know java! Is there an open source sports manager project? After some googling, I have been unsuccessful in finding a sports management game that is written in java. I am do not particullarly care about the type of sport, becuase I am mostly interested in mechanics. Does anyone know of any such projects or am I out of luck on java?

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• Nimbuzz buzzes up their new users with Java ME tech

  - by hinkmond

  Nimbuzz is registering mobile users in the tens of millions now. It's partly because they rely on Java ME technology. Smart move! See: Nimbuzz buzzes w/Java ME Here's a quote: Nimbuzz allows users to meet, share and connect with family and friends, and is available across platforms such as [blah-blah-blah], BlackBerry and J2ME, as well as [yadda-yadda- yadda]... It's good to go with Java ME to get that sheer volume on handsets. Also helps to have "buzz" in your product name! Hinkmond

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• Java Phones: How to set up JTAPI?

  - by Adam Tannon

  I want to use JTAPI (1.4 - latest) to create an app that will call my phone whenever I need it to. I downloaded JSR043 (JTAPI specification) and have been reading the API docs and it seems pretty straight forward with respect to how to code JTAPI. However I seriously doubt that getting a Java app on my laptop to call my cell phone doesn't require some 3rd party or middle man service provider and possibly other entities/configurations as well. So I ask: besides using the JTAPI in my Java code, what do I need to install or set up to have a Java app that calls my phone? Thanks in advance!

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• Oracle Unveils Oracle Java Embedded Suite 7.0

  - by user12612705

  Today Oracle announced the Oracle Java Embedded Suite 7.0. What is the Java Embedded Suite (JES)? It's a middleware stack designed to be run on embedded devices. It's a suite which includes an application server (Glassfish for Embedded Suite), database (Java DB), and web services (Jersey Web Services Framework). Putting these services on the embedded device gives you the ability to provide a set of services at the device point. It also lets you aggregate data at the device point, which you can later sync with your enterprise systems.

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• How to flag a class as under development in Java

  - by Usavich

  I'm working on a internship project, but I have to leave before I can finish up everything. I have 1 class that is not stable enough for production use. I want to mark/flag this class so that other people will not accidentally use it in production. I have already put the notice in Javadoc, but that doesn't seem enough. Some compiler error or warning would be better. The code is organized like this: [Package] | company.foo.bar.myproject |-- Class1.java |-- Class2.java |-- Class3.java <--(not stable) If there was a single factory class that calls those classes in public methods, I could have set the method to class3 as private. However the API is NOT exposed that way. Users will directly use those class, e.g. new Class1();, but I can't make a top-level class private. What's the best practice to deal with this situation?

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• Start of Career: with Java or PHP [closed]

  - by Anusha

  I am very new to this programming career. I am now doing job on PHP & MySQL (joined before 6 months) and working on e-commerce project. Simultaneously I am learning JAVA also just completed Adv. Java. I can code on both. I am good at SQL, Oracle and MySQL also. My Question is Where do I set my career on PHP or JAVA? Which has more scope and future security? Or also is there any job profile which includes both, if yes then is that good to work on both? I am confused a lot on this, please help me..

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• Today's The 4:30 movie: Java vs. C++

  - by hinkmond

  Here's a slide show that's paraphrasing Cameron Purdy's presentation on how Java technology has and hasn't supplanted C++. See: Why Java Has/Hasn't Won vs. C++ Here's a quote: This eWEEK slide show borrows from Purdy’s arguments and looks at 10 reasons Java was able to supplant C++, as well as five reasons or areas it was not. It's like Godzilla vs. Mechagodzilla. Can there really be a clear winner? Well, stick around and watch Godzilla vs. Mechagodzilla II on tomorrow's The 4:30 movie as Monster Week continues on WABC, and find out... Hinkmond

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• Java on easypeasy

  - by Beatriz Rojo

  I have successfully installed easypeasy in an Asus EeePC. I want to use the authoring programm Hot Potatoes, which is/uses a Java application (sorry for my poor technical vocabulary). It is installed and extracted. I have found guidelines about how to use it here (it is in German but the instructions for the terminal are clear). But it seems I cannot install any Java package. I have tried all the packages the terminal says are available and this is what terminal says: "Unable to find the package". In ubuntu I use Hot Potatoes with wine, but I cannot install it in the Asus, so I need to run it with java. Thanks for your help.

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• Traversing Java Object Arrays [migrated]

  - by Sundi

  Please Help. Program does not read Array rentBooks[] in the for() loop this option is selected when choosing option 2 then option 4 in the menu The Array reads perfectly when reading the items after the setBook() Method import java.io.File; import java.io.FileNotFoundException; import java.util.Scanner; import java.io.*; import java.util.Locale; import java.text.SimpleDateFormat ; class Library { protected static String Author; protected static String Title; SimpleDateFormat PublicationDate; int itemCode; int available = 1; } class Book extends Library { protected static String PublisherName; protected static String Edition; static Book[] rentBooks = new Book[5]; //Book[] rentBooks = new Book[5]; int count = 0; public Book() { String start= "start"; showBook.main(anza); } public void setBook( String Auth, String Titl, String PublishName) { this.Author = Auth; this.Title = Titl; this.PublisherName = PublishName; } public void getBook() { //System.out.println("*************BOOKS*************************"); System.out.println( "\n\nThe Author of the first Book is "+ this.Author ); System.out.println( "The Title of the book is "+ this.Title); System.out.println( "The Publisher of the book is "+ this.PublisherName ); // System.out.println( "The Edition of the book is "+ Edition ); } } class showBook{ static Book[] rentBooks = new Book[5]; static Book[] rentBooks2 = new Book[5]; static int a,b; //for ( a=0; a < 5; a++ ) //rentBooks2[a] = new Book(); public static void main(String[] args) { File file = new File("Book2.txt"); //Book libraryBooks = new Book(); int j; //initialise Array Class Objects for( j = 0; j < 5; j++) { rentBooks[j] = new Book(); } int i = 0; try{ Scanner scanner = new Scanner(file); scanner.useDelimiter(","); String loan=""; int loan2; while( scanner.hasNextLine()) { //Should the Books be Stored in An Array? // At the moment you have separate objects stored in unknown location String Author = scanner.next(); String Title = scanner.next(); String PublisherName = scanner.next(); if ( i < 4) { System.out.println(i); rentBooks[i].setBook(Author, Title, PublisherName); rentBooks[i].getBook(); // MEMBERS SHOWN i++; } public class readBook4{ public static void main(String[] args) { int number =0; System.out.println( "Please select one of the choices below " ); System.out.println( "Select option 1 to list all items in the library "); System.out.println( "Select option 2 to list the items by category"); System.out.println( "Select option 3 to choose item available in the library "); System.out.println( "Select option 7 to exit " ); InputStreamReader isr = new InputStreamReader( System.in); BufferedReader buffer = new BufferedReader( isr); String input = ""; try { input = buffer.readLine(); number = Integer.parseInt(input); //int number = Integer.parseInt( Edition); if ( number == 1 ) { System.out.println( " \nThanks you are reading "+ input); //showStudent.main(args); showPeriodical.main(args); showDVD.main(args); // showBook.main(args); } if ( number == 2 ) { //jht.cls(); int number2; System.out.println( "Please select one of the choices below " ); System.out.println( "Select option 4 to list Books only "); System.out.println( "Select option 5 to list the Periodicals only"); System.out.println( "Select option 6 to list DVDs only"); InputStreamReader isr2 = new InputStreamReader(System.in); BufferedReader buffer2 = new BufferedReader(isr2); String input2 = ""; try { input2 = buffer2.readLine(); buffer.close(); } catch(IOException e) { System.out.println("An input error has occured"); } //System.out.println("Thanks, you are reading" + input2); number2 = Integer.parseInt(input2); if ( number2 == 4 ) { showBook.main(args); } if ( number2 == 5 ) { showPeriodical.main(args); } if ( number2 == 6 ) { showDVD.main(args); } // readBook4.main(args); } if( number == 3 ) { //showBook.main(args); showBook.availableBooks(); showDVD.availableDVD(); showPeriodical.availablePeriodical(); } if ( number == 7 ) { showStudent.main(args); } buffer.close(); } catch( IOException e ) { System.out.println( " An input error has occured "); } //System.out.println( " \nThanks you are reading "+ input); } } } //buffer.close(); scanner.close(); } catch( FileNotFoundException e) { System.out.println("File not Found"); } for ( i=0; i < 5; i++ ) rentBooks[i].getBook(); //ARRAY NOT SHOWN } }

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