Can you have two versions of Java installed?

Can you have two versions of Java installed?

It is very possible to run multiple versions of Java on the same machine so you can run your existing applications and Ignition at the same time.

How do I install jdk and JRE already installed?

2 Answers

  1. 1.Download the JDK. First you have to download the JDK from Suns site. (
  2. 2.Install JDK. Install it and it will save some files to your hard drive.
  3. 3.Eclipse Preferences. Go to the Eclipse Preferences -> Java -> Installed JREs.
  4. 4.Add the JDK.
  5. 5.You’re done.

How do I know what installation is in progress?

How to find and stop an installation in progress

  1. Method 1: Check if the installation process is still running under Task manager. http://windows.microsoft.com/en-US/windows-vista/Understanding-process-information-in-Task-Manager.
  2. Method 2: Use Process Explorer.
  3. Method 3: Perform a clean boot.

How do I fix installation in progress?

The fix for the “installation still in progress” bug

  1. Make sure you have enough space on your internal HDD while you’re reinstalling the game.
  2. Try to install the game on an external HDD and see if it works.
  3. Try creating a new Playstation Network account and activate game sharing.

Do you need to un-install Java 1.6?

As I found out, we don’t need to un-install an existing Java 1.6. Just installing or deploying a newer version 1.7 or 1.8, and setting the JAVA_HOME, along with the below given activities will solve the issue. Check your c:/Windows/System32 (as I had this issue in windows).

Do you need JRE to install current version of Java?

Under Java Platform, Standard Edition, select either the current release, or click Previous Releases to install an earlier supported version. You can use either the JDK or JRE. The JDK includes the JRE. Do not use any non-supported version or edition of the Java JRE or JDK.

How to tell if Java 7 is installed?

It should display something like “java version “1.7.0_XX” where XX is the current update version of the Java7 installation. If not: proceed with the next step. Redefine the JAVA_HOME variable (to support IDEs like Eclipse and other developer tools…), which helps detecting where the “active” Java installation is situated in your system.

Is there a way to install Java 7 in Eclipse?

Afterwards, a fresh installation of Eclipse should detect Java7 in your system and should work with this version out of the box. You can modify an installed Eclipse to use this installation by navigating in Eclipse to: Preferences -> Java -> Installed JREs. Then remove the old Java6 system entry AND add new path (see above) with the name Java7.