switch to lower version of java on mac

I'm running 10.9.5

my java version is java version "1.8.0_25"

how to switch my JRE to 1.7



I have 2 direcories in /Library/Java/VirtualMAchines:

1. jdk1.7.0_67   - no Contents directory with bin
     demo
     sample      
 

2. jdk1.8.0_25

   Contents  with bin etc
snigerAsked:
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serialbandCommented:
You'll have to download jdk7 or jre7 separately and reinstall it, since it looks like your folder was emptied out.  It just didn't delete the stub because there were demos and samples that weren't part of the uninstaller in those folders.  You can have multiple Java installations at the same time.  You just have to set the environment variables correctly for each App or process.  

The simplest thing to do is to install the version you like to use most 2nd.  It should configure the system wide environment settings last.  You can then specify the individual environment settings for the few apps that need the other version.
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snigerAuthor Commented:
Thanks
I installed jdk 1.7
And it went into /Library/Internet Plugins
.....

Why ???
Now netbeans is complaining that it cannot
Find jdk although I redifined jdk-home
Directory to point to /library/Internet plugins
......
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serialbandCommented:
That doesn't sound like you're pointing to JDK.  Internet plugins is for JRE browser plugins.  I currently do not have JDK installed, just JRE, but they should normally be under /Library/Java/JavaVirtualMachines/

http://java.dzone.com/articles/java-findingsetting
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snigerAuthor Commented:
so you are saying that even though java control panel is showing :

Platform 1.7   path : /Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home/bin/java  

java 1.7 has not been installed ? I mean java 1.7 jdk
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snigerAuthor Commented:
i guess my issue is, where is jdk 1.7, i went through the whole installation process
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serialbandCommented:
That java control just shows where your internet plugin is.  The JDK should be somewhere in:

/Library/Java/JavaVirtualMachines/
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snigerAuthor Commented:
Do you know why it has not installed ?
From what I've seen many people have this problem
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CEHJCommented:
Now netbeans is complaining that it cannot
Find jdk although I redifined jdk-home
Directory to point to /library/Internet plugins

It would be JAVA_HOME that Netbeans is interested in
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snigerAuthor Commented:
ok, thanks, i was just installing jre, that's why the system could not find jdk 1.7
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