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I have Windows 10 and Java is already installed in my system. But I have eclipse Luna with only CDT installed on it, but doesn't have JDT. Do I have to download java once more for installing it on eclipse or can I just give the path to JRE and write a java program. If yes, How to do it?

Nickal
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  • You don't install JDK separately for eclipse. You just have to configure the existing one in eclipse to run your java programs. [Setting JDK in eclipse](http://stackoverflow.com/questions/13635563/setting-jdk-in-eclipse) – Lucky Feb 12 '16 at 06:36

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Yes you need to install JDT (java development tools) related plug ins but not Java.

You can check what is already installed through Help ->Check for Updates-> What is already installed. If you don't see JDT, please then install JDT.

cheers,

Saurav

saurav
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