Sign in using your Oracle account or create a new one and the download should start. Once the download is complete, locate the jdk-8uwindows-x Click Next and on the following screen optionally change the installation location by clicking on the Change In this example the default install location of 'C:Program FilesJavajdk1.
In addition, if we want to run Java commands from a command prompt we need to setup the 'PATH' environment variable to contain the Java bin directory. When using Windows the above parameters can be configured on the Environment Variables panel. Environment variables can be set at account level or at system level.
For this example click on Edit environment variables for your account and following panel should appear. In this tutorial the installation directory is 'C:Program FilesJavajdk1. Click OK to to save.
Click OK to save. You can download the JDK installation file from the address. The above address provides several Java-related software packages. What you should download from the above address is JDK 5. JDKs with larger version numbers and update numbers are also acceptable as they become available in the future.
Here, I suppose that the JDK version number is 5. After you have clicked the link to download JDK 5. Before you can select the platform, you should accept a License Agreement by making an appropriate selection on the page. When you are shown a File Download dialog box, you should press the Save button, and select the folder D:setupfiles as the folder where the installation file will be saved. Downloading time depends on the speed of your Internet connection.
As the size of the installation file exceeds 50 megabytes, it may be better not to download it with a modem-based connection. After the download is complete, you can close the possibly open status window.
When the installation file in a local folder in your computer, you can start the actual installation. After some preparations the installation program displays a License Agreement.
If you accept the License Agreement, select 'I accept the terms in the license agreement', and click Next. After this you'll see a Custom Setup window where you can select the program features to be installed.
I suggest that you install what are proposed. However, here it may be better to change the folder where the JDK will be installed. If you have both C: and D: hard disk drives in your computer, and there is plenty of disk space on disk D:, it is better to select a folder on disk D: Thus you can click the Change This way the files will be installed in a folder named jdk1.
After you click OK , you will go back to the Custom Setup window. When D:jdk1. It is possible to install the JDK into the folder which is proposed by the installation program, but I have found that in my computer it is best to not to put too much stuff on Local Disk C:. After you have clicked Next , the installation of the Java Development Kit begins and you'll be displayed the Installing window.
That window tells the status of the installation. The installation took something like 5 minutes on my computer. It can be slower or faster on your computer.
You'll again see a License Agreement where you need to select 'I accept the terms in the license agreement' and click Next if you accept the agreement. I suggest that you install the proposed components and install to the proposed folder.
You can let the browsers use the JRE, and click Next. After you have clicked Next , the installation of the Java Runtime Environment begins, and it takes a few minutes. After the installation is complete, you'll be shown a window which informs that the installation was successful. Since you will be dealing with RPMs, make also sure that you have packagesto manipulate them:.
But, frankly, I do not know the intrinsics of it,though it cannot hurt and disk space is cheap. It will ask you if you agree to the long license.
To run it do:. Unfortunately, the Sun RPM package puts filesin different locations than the ones required by Fedora 7. In the directory where you ran the jdk-6u2-linux-irpm.
You can also use your browser say FireFox to lookat the docs, but linking the doc location to a directory underweb document tree. For example as:. Nice stuff, butnot here The actual RPMs are left in the directory where you ran the Sun's jdk-6u2-linux-i It should ask you for your Yes and announce: Installed: java To check which files were affected do:.
You can use alternatives to check or change the default JDK by:. The JPackage compatibility should also make you a link for Java plug-infor Firefox browser. To make sure it did, do:. If you do not have it, makethis link yourself but then worry, since something is not right :. There are different distros of Firefox, so youmay be special but for your own sake, use yum toupdate Firefox.
Now, there will be times, when you want to get ridof Sun JDK and its entries for alternatives. Be bold Do not worry You can always reinstall it as described above. Of course, you can choose to use rpm command directly rather than yum to work with packages.
But yum has a lotof advantages, since it will maintain the packages and upgradesand makes a lot of checks to see if things will not break. But sometimes they break. A popular situation is when youused rpm to install some package or the packagewas installed with an install older package iskept rather than an update older package isremoved.
In this case, yum gets confused withdependencies and complains, and it does not want to installa package. To see if this is a case, list all the installedrpm packages for some package name with a command:. If you see two versionsof the same rpm, just erase the older i. Use the. I am telling you this,since we will definitely have more javas and compats coming, and the mess happens.
For example at this timea hypothetical one , if you got stuck with two compat packages when updates to the JDK were processed:. This problem showed up in FC6 while upgrading JDKand I still do not know if thisis an ugly bug or an interesting feature. I upgraded from jdk Of course, the stuff changes and can change enough that this simplepatch to older compat rpm will not work. This is experimental at best. First you need to erase your old compat rpm andJava SDK as described above.
In this case the following did it:. Then you have to downloads the old compatpackage but not the one you used to install the JDK but its source version. You will need to edit the SPEC file java I changed the line:. Then I ran the rpmbuild which you haveinstalled long time ago, didn't you?
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