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• is Java free for mobile development?

  - by exTrace101

  Q1. I would like to know if it's free for a developer (I mean, if I have to pay no royalties to Sun/Oracle) to develop (Android) mobile apps in Java? After reading this snippet about use of Java field, I'm getting the impression that Java is not free for mobile development, is that right? .."General Purpose Desktop Computers and Servers" means…

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• Trouble installing Java

  - by BRKsays

  I am running Ubuntu 12.04 LTS. I wanted to install Java and so I downloaded the 32-bit self extracting .bin file from http://www.java.com and tried to install it according to their instruction. First I made the file an executable one. Then created /usr/java/. After that I have to run this command: ./jre-7u<version>-linux-i586.bin. But I'm…

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• Java vs. C# - Productivity perspective

  - by Edin Dazdarevic

  If you have a number of years experience in working with JAVA and a number of years experience in working with C# and .NET, I would value your opinion on software development productivity differences between these two environments. One of our customers is considering to technically replace their existing software solution. As the replacement will…

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• Java: immutability, overuse of stack -- better data structure?

  - by HH

  I overused hashSets but it was slow, then changed to Stacks, speed boost-up. Poly's reply uses Collections.emptyList() as immutable list, cutting out excess null-checkers. No Collections.emptyStack(). Combining the words stack and immutability, from the last experiences, gets "immutable stack" (probably not related to functional prog). Java Api…

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• Problem launch Java on Debian: "error while loading shared libraries: libjli.so"

  - by aetaur

  I'm trying to launch Java: $ java -version java: error while loading shared libraries: libjli.so: cannot open shared object file: No such file or directory $ ldd /usr/lib/jvm/java-6-openjdk/jre/bin/java linux-gate.so.1 => (0xb779f000) libz.so.1 => /usr/lib/libz.so.1 (0xb7780000) libpthread.so.0 =>…

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• Wrong java -version being reported

  - by Malachi

  I am running Windows 7 Professional x64 and have the following Java versions installed: x64 C:\Program Files\Java jdk1.6.0_24 jdk1.7.0_04 jdk1.7.0_07 jre6 jre7 x86 C:\Program Files (x86)\Java jre1.6.0_07 jre6 jre7 in my environment variables I have my PATH containing C:\Program Files\Java\jdk1.6.0_24\bin and JAVA_HOME…

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• java.io.EOFException while writing and reading froma servlet

  - by mithun1538

  Hello everyone, I have the following code on the applet side: URL servlet = new URL(appletCodeBase, "FormsServlet?form=requestRoom"); URLConnection con = servlet.openConnection(); con.setDoOutput(true); con.setDoInput(true); con.setUseCaches(false); con.setRequestProperty("Content-Type", "application/octet-stream"); …

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• Class Not found exception in JApplet.

  - by Nitesh Panchal

  Hello, I created a simple Applet using JApplet and everything seems to work fine but as soon i create an object of my userdefined class named ChatUser in my applet, i get this error :- SEVERE: java.lang.ClassNotFoundException: applet.ChatUser at…

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• Quickie Guide Getting Java Embedded Running on Raspberry Pi

  - by hinkmond

  Gary C. and I did a Bay Area Java User Group presentation of how to get Java Embedded running on a RPi. See: here. But, if you want the Quickie Guide on how to get Java up and running on the RPi, then follow these steps (which I'm doing right now as we…

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• The Developer's Conference Florianópolis, Brazil

  - by Tori Wieldt

  by guest blogger Yara Senger With over 2900 developers in person and another 2000 online, The Developer's Conference (TDC) in Florianópolis, Brazil, reminds us that Java is BIG in Brazil. The conference included 20 different tracks, and Java was…

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• Four New Java Champions

  - by Tori Wieldt

  Four luminaries in the Java community have been selected as new Java Champions. The are Agnes Crepet, Lars Vogel, Yara Senger and Martijn Verburg. They were selected for their technical knowledge, leadership, inspiration, and tireless work for the…

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• Java in Flux: Utopia or Deuteranopia?

  - by Tori Wieldt

  What a difference a year makes, indeed. Steve Harris, Senior VP, App Server Dev, Oracle and Adam Messinger, VP, Fusion Middleware Group, Oracle presented an informative keynote at the TheServerSide Java Symposium today. With a title "Java in Flux:…

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• java.lang.ClassCastException: java.lang.Integer cannot be cast to java.util.HashMap

  - by kongkea

  I've got this Error When I click listview to show full image size. how can i solve it? Error 11-20 10:27:47.039: D/AndroidRuntime(5078): Shutting down VM 11-20 10:27:47.039: W/dalvikvm(5078): threadid=1: thread exiting with uncaught exception…

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• IDEA modular problem (jsp)

  - by Jeriho

  I have project in with 2 separate modules(frontend and backend, first depends on second). When I'm trying to access backend code from frontend code, things going fine. Things turn for the worse when I do the same from jsp. This is stacktrase…

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• Axis2 with OpenEJB error on Tomcat

  - by kostya

  Hi, I deployed on Tomcat Axis2 and OpenEjb and got the error. If deploy either only axis2 or openejb, they works properly, but when deploy them together, Axis2 can't be deployed, but OpenEjb is available. Could anybody help with this problem,…

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• Java Runtime command line Process

  - by AEIOU

  I have a class with the following code: Process process = null; try { process = Runtime.getRuntime().exec("gs -version"); System.out.println(process.toString()); } catch (Exception e1) { …

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• ClassCircularityError when running tomcat6 from eclipse

  - by zenmonkey

  I'm using Eclipse 3.5, tomcat runtime is set as tomcat 6.0.26, vm is jdk 1.6.17 (macosx) When I try to run a web application from eclipse Java EE perspective I keep seeing this error in the console: Caused by:…

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• Application Development: Python or Java (or PHP)

  - by luckysmack

  I'm looking to get into application development, such as Facebook or Android apps and games. I am doing this for fun and to learn. Once my skills are to par I would like to have some side income from the apps,…

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• Resource not found?

  - by SystemNetworks

  When I write in my terminal, java -jar myJar.jar, it gives me an error "Resource Not found res/playNow.png" When I run it in eclipse, it does not give me any errors about this image. My folder in my eclipse…

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• Oracle Developer Day OOP 2013 – become a Java expert & get a free ticket

  - by JuergenKress

  Want to become a Java Expert? Want to learn more about Java Roadmap, Java EE, Java FX, Java Cloud, ADF mobile, Rest and big data and try it hands-on? Make sure you attend the Oracle Developer Day 2013…

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• Java Spotlight Episode 106: Java Security Update @spoofzu

  - by Roger Brinkley

  Java security update with Bruce Lowenthal and Milton Smith. Right-click or Control-click to download this MP3 file. You can also subscribe to the Java Spotlight Podcast Feed to get the latest podcast…

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• Advice for beginner programmer

  - by user3461957

  I am beginner in software development. I noticed when I try to learn one technology let's say .NET I loose my grip over other for example Java. I thought it would be better to concentrate on one…

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• Advantages of Scala vs. Groovy with JAVA EE 6 Applications.

  - by JAVA EE Wannabe

  Please let me first emphasize that I am not looking for flare wars. I just want advices from people who have real experiences. I started learning JAVA EE 6 as real newbie and am having had time…

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• The Java Tour 2014

  - by Tori Wieldt

  The Java Tour 2014 is series of events (over 75 and counting!) for Java Developers held around the world. The Oracle Events team is producing a Java Tour in coordination with the Oracle…

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• How to resolve java.lang.IllegalStateException?

  - by Roman Kagan

  We are using OC4J 10.1.3.5 and ADF. I have a popup form and when closing we got error below. I wonder what am I missing and how can I resolve it? Jun 15, 2010 8:26:49 AM…

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