The Java Development Kit (JDK) is a set of utilities that allow one to create software systems for the Java platform. It consists of several tools and libraries.

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Upgrade to java 1.7 in eclipse on mac

I'm sort of a beginner with eclipse but I want to update the libraries or build path or whatever to java 1.7 from java 1.6 and I can't figure it out. I'm a computer science student at the university ...
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Cannot install JavaFX SDK despite having current JDK

I want to install the JavaFX SDK and it keeps telling that it requires the current JDK to be installed, which I definitely have. Why doesn't the installation recognize my JDK? How can I fix this so I ...
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OS X - Eclipse - WindowBuilder -> “Incompatible Java versions”

No matter what I do, Eclipse keeps saying that "Eclipse is running under 1.6, but this Java project has a 1.7 Java compliance level, so WindowBuilder will not be able to load classes from this ...
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Got a laptop from someone with JDK 1.7 installed, but freezing in terminal

When I type which java in a terminal, I get /usr/local/tools/i386_Darwin/jdk1.7.0_21/bin/java and on typing echo $JAVA_HOME, I get /usr/local/tools/i386_Darwin/jdk1.7.0_21 If I try java -version ...
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Cannot run JDK7 java in cmd, but javac works

I just recently installed JDK7 and then afterwards I uninstalled it because I couldn't run java from command line in Windows7. I tried to reinstall JDK7 after uninstalling it, but it doesn't help. ...
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Eclipse startup Error code=1?

I just downloaded eclipse-java-helios-SR2-win32-x86_64.zip extracted the zip. When I'm trying to run I get this error: Here is my .ini file: -startup ...
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JDK 1.6 for OSX

I am trying to use the Java game library Slick2d. However it seems like it's bugged using Java 1.7. I've tried to find it but was unsuccessful. Is it possible to install the 1.6 JDK on Mountain ...
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Cannot install JDK on Windows 8

I am struggling to install Oracle's JDK7 on my Windows 8.1. I got the jdk-7u51-windows-x64.exe file from http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html as I ...
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Errors when installing jdk 1.7 in linux

When I am installing jdk 1.7 in Oracle Linux by using the following rpm -ivh jdk-7u9-linux-i586.rpm However I am getting the following errors, how can I resolve these errors and install jdk 1.7? ...
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MATLAB not loading- java NoClassDefFoundError

The installation itself was giving an error: java.util.concurrent.ExecutionException: java.lang.RuntimeException: data starting at 0 is in unknown format but when I deselected Aeromodeling toolbox ...
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Run Java applications with JDK on OS X

Apple in the latest releases of OS X removed Java from default installation so for my needs I installed JDK from Oracle's website. ~ java -version ...
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How can I get back Java Preferences after uninstalling JDK 7 on Mac

When I installed Oracle's JDK 7 on Mac (OSX 10.8), Java Preferences disappeared. Now I removed JDK 7, and reinstalled Apple's JDK 6, but still, I don't have Java Preferences in Applications/Utilities ...
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Make application launcher search for apps in a particular folder?

Everytime I want to run an application with Application Launcher (Alt+F2) in my Ubuntu, I have to make a link to that app and put it in /usr/bin folder, Application Launcher won't search in the folder ...
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Java swing components are doing strange things

There is a strange occurrence with Java swing components (buttons, text, etc in GUIs) have lately been going haywire for no reason I see. Here's the three things that I've noticed happening: If I ...
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JDK Installation on SUN Sparc

I have system running java 1.5. I am planning to install java 1.6 "too" to another location to run command > java using full path. Copying a jdk 1.6 installation from another machine throws an ...
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Installing jdk 1.7.0 java -version not working

I have installed java jdk, following the steps as described here but the problem is when i do which jav it gives me the output /usr/bin/java but when i do java -version it says bash: ...
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Where to find a zipped/tarred JDK 6

Ok, I concede. I have been looking in vain for a zipped and tarred copy of any later version of Oracle's JDK 6 for Solaris SPARC (32-bit), but all I can find is the shell scrip that "installs" it. ...
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how to use software java 32 bit in windows 7 64 bit using jdk 32bit and jre 32bit?

I have a software(LongmanIBT) which has jre 32 bit I don't know if I need to use jdk 32 bit too? The software is running now but too slow I went to Control Panel to set the environmental variables ...
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Eclipse Juno can't run any Java project

I use Eclipse Juno - Eclipse IDE for C/C++ Developers , and I can't run any Java project , mean even there is no "Run" option . For example when I right click on the Main class I just see (no ...
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334 views

How to configure Chromium's Java plugin so it uses an existing JDK in the machine

This exact same question was asked here, but the OP was asking in regard to a Windows system. I am running Linux Mint 14 "Nadia" - KDE (64-bit). The answer @Kalyan Akella provided to that question ...
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Installing JDK 1.4.2.19 on Windows XP SP3

I am currently trying to install JDK 1.4.2.19 on a completely clean (no other software) Windows XP SP3, which results in the error Error reading setup initialization file When doing the same ...