Problem Installing Android SDK

I'm trying to install android SDK but it says that I need to install JDK, but the latest jdk is already installed...

I am running win7 Ultimate if 开发者_如何学Goit is matter... What seems to be the problem ?

thnx

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The most common mistake is to believe that the JDK is installed when only the JRE is. Check for the output of javac -version.

Also, you may want to read about setting the PATH and the CLASSPATH here