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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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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2answers
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Where do I download Java development binaries (JDK) for Windows 7 64-bit?

I am trying to install a Java development environment on Windows 7 64-bit, but I am unable to find a suitable install. Is there one available?
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How to uninstall Java SE from the command line

Oracle states that the Java SE installer is built using MSI, but the help page, rather unhelpfully doesn't list uninstall options. I need to do a command line uninstall, and I can't figure out or ...
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3answers
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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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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 ...
4
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2answers
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How can I make JDK 7 the default JDK in NetBeans?

I uninstalled JDK 1.6.26, then installed JDK 7 and changed my PATH to point to the new version. However when I now open NetBeans it shows me this error: Cannot locate java installation in ...
4
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1answer
12k views

How to install Sun's JDK on CentOS?

I having difficult time installing Sun's JDK on CentOS. The default installing with "yum" is "openJDK", but I need to install Sun's JDK. Is there easy instruction out there I can use or any ...
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4answers
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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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4answers
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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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0answers
483 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 ...
3
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0answers
544 views

How to install Java 7 on Solaris 9?

Oracle states the following regarding Java 7: This version of the JDK is supported on the Oracle Solaris 10 Update 9 or later OS, Oracle Solaris 11 Express OS, and Oracle Solaris 11 OS ...
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JDK install manualy in linux

I download jdk .bin file for linux . how to install it that all of the features enable in every where .
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1answer
9k views

“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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2answers
1k views

Is it safe to delete Java folders from C:\Users\(Username)\AppData\LocalLow\Sun\Java

I am using a Windows 7 64-bit PC. I have many folders in C:\Users\(Username)\AppData\LocalLow\Sun\Java with names of older Java versions like: jdk1.7.0_21_x64 jre1.7.0_45 jre1.7.0_25 These folders ...
2
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2answers
7k views

64 Bit Windows 8.1 Failure to reinstall Java JDK and JRE

Attempting to update to jre-7u67 from 65 did not appear to work. On reattempting, installation failed with a “Access is denied” message. JDK was still there but I followed recommendations to remove ...
2
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2answers
643 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 ...
2
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1answer
173 views

jdk not being picked up by vista, but the path is correct

Here is my path : C:\Program Files\ICW>path PATH=C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;c:\Program Files\Mi crosoft SQL Server\90\Tools\binn\C:\Program ...
2
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1answer
624 views

Java Development Kit (JDK) from ftp?

I need to download specific JDK version but from console in Linux. I have not lynx/elinks etc linstalled. Where can i download Java Development Kit (JDK) from ftp ?
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0answers
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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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2answers
107 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
4k 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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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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2answers
288 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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vote
1answer
4k views

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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1answer
125 views

Two versions of java installed in two locations on my mac, which is right?

I am having trouble with java install locations. I am using a mac running 10.9.2 and i have two versions of java installed jdk 1.7.0 & jdk 1.6.0 but both installs are in different locations. jdk ...
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1answer
48 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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1answer
37 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 ...
1
vote
1answer
430 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
306 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
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
404 views

change installed version of icedtea

I've installed openJDK6 64-bit server on my ubuntu image running in a VM. I installed it here in order to do some testing in comparison with our production environment. however, our production ...
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2answers
141 views

Is the recent Java bug something to worry about?

I recently saw this announcement on the H blog about a big hole in Java, but I can't seem to get anyone to think it's a big deal. The fact that I can visit a web site and it runs calc.exe on my local ...
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1answer
724 views

how to configure tomcat6 for ubuntu

i have installed Apache Tomcat6 for Ubuntu 9.04 recenty. But it seems that some API's like servelet and http are not included although I have installed OpenJDK 1.6. Somebody advised me to set ...
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1answer
16 views

Switching JRE version

I have JDK 1.8.0_05 64 bit, 1.6.0_45 64 bit and 1.6.0_39 32 bit versions installed on a same machine. I am using this machine for Android app development and it was working fine with Native Android ...
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0answers
46 views

Slow Windows Application Startup

I have Windows 8 Pro/i5 3320M laptop with 8GB memory. Java based applications such as Eclipse, Phpstorm takes about 15-30 mins to load. (i assume issue is with java apps, others work fine). I tried ...
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0answers
478 views

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
6k 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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1answer
140 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
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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0answers
117 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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0answers
96 views

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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1answer
2k views

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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0answers
94 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 ...
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0answers
276 views

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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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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3answers
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javac not recognized..?

'javac' is not recognized as an internal or external command, operable program or batch file ok i have the jdk1.6.0_21 installed on my pc, but when i try to use the command promt to convert a .java ...
0
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3answers
338 views

Installing Eclipse

I need to install eclipse to use with PHP, so I downloaded it from eclipse.org, extracted the zip file, and tried to install eclipse. It was throwing an error like "JRE or JDK must be available ...
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1answer
252 views

How do I update my jdk update 12 to jdk update <latest> without having to download the whole 100+MB jdk bunch?

How does one update jdk update 12 to jdk update without having to download the whole 100+MB jdk bunch? OS: Fedora 9 (About to go Fedora 11, but that is a different story)
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1answer
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How to uninstall Java version 1.4

I would like to asks a question about how to uninstall my old version of java(1.4.2_06) if it is not shown in add/remove in control panel? I'm using windows xp. I already uninstalled all my java that ...
0
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1answer
37 views

Chrome doesn't recognize that I already have Java installed

I've installed the latest JDK which also installs the JRE (1.8.0.25) The paths all seem to be set fine and Eclipse runs just fine. But my browsers do not recognize that Java is installed and want me ...