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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Java/JDK filesystem organization on OSX (Mavericks)

If you install the JDK via the Oracle DMG, you get content put under /Library/Java/JavaVirtualMachines/jdk1.7.0_xx/Content/Home/bin as well as ...
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Java version not recognized when JAVA_HOME defined for a particular USERACCOUNT

I have been struck with problem on my development box. I have JRE6 on my system and NO ADMIN RIGHTS. Used this command to add user variables rundll32 sysdm.cpl,EditEnvironmentVariables I have ...
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86 views

Install 64-bit JDK versions with Ninite

I'm attempting to build a Nanite installer/updater for my own personal use and I've found it fantastic. However, as part of the profile, I would like to include the installation of multiple versions ...
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437 views

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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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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2answers
2k views

Error: Could not find or load main class(Java)

I am using java in ubuntu machine. I can run java program from my eclipse. But I have some work that that I have to perform from command prompt. I could compile java program using javac ...
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1answer
76 views

How to Restore Java on Snow Leopard?

I tried to install Java 7 on my Macbook running Snow Leopard following the instruction detailed here: ...
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1answer
878 views

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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64 views

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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134 views

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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1answer
45 views

How to update Oracle JDK on Debian

I am planning to install the oracle JDK7 on my Debian Wheezy machine. To do so I am using java-package to install the jdk as a .deb package under Debian, as described here. My question is: Can ...
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2answers
101 views

How to set up environmental variable in Ubuntu?

I have never used Ubuntu before. How do I go about setting an environmental variable that points to JDK? I installed it on my Desktop. I typed in "EXPORT JAVA_HOME=~/Desktop/jdk" in the command prompt ...
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1answer
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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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1answer
101 views

why update-alternatives --config java shows nothing?

I install oracle java JDK.rmp.bin on fedora. And installing by ". /jdk.rmp.bin", JDK is installed under /usr/java/jdk folder. I could compile java files using command "javac" and "java". I could also ...
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160 views

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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1answer
72 views

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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520 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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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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2answers
2k views

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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3answers
738 views

Ubuntu 10.10 -bash: java: command not found

I just bought fresh VPS with Ubuntu 10.10. I following this guide http://l2jserver.com/wiki/Setup_Server_-_Ubuntu for creating Lineage2 server, but this doesn't matter. I try to use command java ...
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1answer
122 views

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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1answer
549 views

How to install oracle jdk7 on debian

I downloaded the binary of tar.gz format from oralce website. I extracted it to /usr/bin/jdk7. How to "install" it and make it the default jdk and jre?
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2answers
223 views

Installing JDK to remote server

I have been trying to install JDK to my online (remote) server. I have never made such installation so kindly help what is an appropriate way to do it. My doamin's hosting is linux. There are ...
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1answer
99 views

install rpm packages with rpm

I tried to install java 1.7 with rpm but got this error: #rpm -i jdk-7-linux-x64.rpm. package jdk-2000:1.7.0-fcs.x86_64 is already installed If the package really was installed, then how come ...
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585 views

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 ...
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1answer
3k views

Jdk1.7.0_10 with eclipse Juno

I downloaded Eclipse IDE for Java Developers for Windows 64 Bit from - eclipse download , and also jdk-7u9-windows-i586.exe from oracle downloads . Then I installed the JDK in C:\Program Files ...
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1answer
36 views

Force particular Java version in particular directory

I have multiple versions of java installed on my machine (5,6,7). I downloaded a project which requires jdk6 to compile. Is there a way to 'set' jdk6 to be the default one in that particular ...
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105 views

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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1answer
414 views

Installed Java SE 7u10, still seing 7u10ea on OS X?

when I type java -versionI still get the Early Access version and not the stable JDK 7u10. please how to fix that ? I am working on Mac OS X Mountain Lion. ls ...
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1answer
234 views

Mac OS 10.7 Missing Java Completely

I'm in dire straights. I was trying to replace my java JDK and downgrade to 1.6 and somehow managed to completely screw up all the previous versions in the process. Bottom line, my Mac has no JDK ...
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1answer
3k views

jstack command not found on centos

I installed JDK by downloading the RPM from oracle and installed it using yum. But the jstack command is not recognized. I'm using CentOS 6.3 How can I make it work?
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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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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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3answers
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Java not detected by browser

I have java installed on my computer, but none of my browsers seem to detect it a and I'm not able to run any applets. (Trivial, as it may seem) I've wasted a lot of time googling and trying to ...
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3answers
3k views

Wrong java -version being reported

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 ...
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1answer
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Eclipse says “Access Denied” when running javaw and how to fix it?

I'm trying to get Eclipse to compile and run a HelloWorld class but it can't even do that. I have installed Eclipse x86 SDK 4.2.0 together bit with the latest JRE and JDK both in 64 bit as well. I ...
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5answers
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Windows 8 & Java Development

I'm considering to upgrade my PC to Windows 8, but I have one concern though. I haven't yet found any "confirmation", that the JDK and Eclipse will work on Windows 8. Have anyone tried to ...
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4answers
12k views

How to install jdk with yum on Fedora 17?

I want to install jdk by yum on Federa 17 and using : su -c 'yum install java-1.6.0-openjdk' But it show "no available package". How can I do to install it ?
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1answer
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Should JRE 7 be kept in Program Files (x86) or Program Files in Windows 7 (64-bit)?

I have updated JRE to version 7 update 4 and JDK to version 7u4. I have two Java folders, one in Program Files another on Program Files (x86). JRE was automatically downloaded to Program Files (x86) ...
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6answers
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Unable to install Android for Windows 7 because JDK is not found

I have JDK SE7u4 installed in windows 7. I tried to install Android on Windows 7 using the installer_r18-windows.exe but no avail. The setup window showed the message saying that the Java SE JDK not ...
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1answer
749 views

Where do I download Java development binaries (JDK) for Windows XP 32 bit [closed]

I am trying to download the jdk for windows but the link here is not working. is there a different place to download?
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2answers
4k views

Java JDK 7u4 64 Bit Install Not Launching

I have downloaded the Java JDK 7u4 64 bit installer exe from here: http://www.oracle.com/technetwork/java/javase/downloads/jdk-7u4-downloads-1591156.html When I go to run it the UAC comes up and when ...
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2answers
741 views

JDK-Installer doesn't install

I can't install JDK on my Windows 7 64bit system. I downloaded the latest version (jdk-7u4-Windows-x64.exe) from Oracle and ran it. A warning appeared, because it's a download. I commited to continue. ...
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2answers
1k views

Windows 7 64bit + JDK/JRE = Slow System

Each time I install JDK/JRE I feel that my system has a bit more overhead to it and it feels a bit "heavier" than before. Are there any services that startup with JDK or Java related that get ...
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1answer
1k views

Changing Java from OpenJDK to SunJava

I want to change OpenJDK to SunJava in my ubuntu linux desktop , i have downloaded the "jdk-7.tar.gz" from sun's website, but there problem is how to make the system to use the newly downloaded java ? ...
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1answer
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“Java returned exit code=13” when starting Eclipse

I have some problems starting Eclipse. When I try to start it, this error window appears: Does anyone have any idea of how to fix this? I am using Windows 7.
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1answer
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Fix java version mismatch in windows

I have the 64bit version of the jdk installed on windows 7. I installed the 32 bit version of the jre as websites complained that I didn't have the java plugin. I tried in vain to get firefox to ...
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5answers
4k views

Can't install JDK on Windows 7, “Wrapper.CreateFile failed with error 123”

I'm trying to install JDK on Windows 7, 32 Bit. I'm logged in as administrator, but it tells me: Installer: Wrapper.CreateFile failed with error 123: The filename, directory name or volume label ...
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92 views

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 ...
2
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2answers
626 views

Unknown issues installing jdk

I'm trying to install the latest jdk (7u2) onto my Windows XP laptop and for some reason when I double-click the jdk-7u12-windows-i586.exe, no automatic pop up comes out like how I expect it to for ...