JRE Build Path

How would I go about fixing this error?

Code:

Build path specifies execution environment JavaSE-1.6. There are no JREs installed in the workspace that are strictly compatible with this environment.  Build path JRE System Library Problem.

 

It says you need Java 6. Get java 6 and add it to your path?? o.o

 

You're compiling it on JRE6 but you don't have it installed... either on the machine itself or in Eclipse.

If you do have it installed in your computer you need to set it in Eclipse: Window -> Preferences -> Java -> Installed JREs -> Add -> Standard VM -> JRE Home point to your JRE folder... normally C:\Program Files\Java\jre6 then just click Finish and that's it.

 

I have already.

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I have Java 7 installed.

EDIT by Moderator: merged posts, please use the edit button instead of double posting.

 

Either install java 6 as well ( may cause issues with both versions of Java ), or upgrade project

 

Ok I had 6 installed. Problem solved. Thanks guys.