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I see JRE all over the place, but i can not be sure which JDK is compiling my code. How do i find out?
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Configure the default JRE Set it as the default in Eclipse by selecting Preferences -> Java -> Installed JREs. Add the installed JDK and select the checkbox, making it the default.
In eclipse go to Window -> Preferences -> Java -> Compiler , there you can change the java versions. Hope it helps.
You can still check/set which JDK version you want to compile to. If you go to Window->Preferences, then click "Java" from the menu on the left and then "Compiler". The first setting allows you to see which JDK version is being complied with.
I know this doesn't directly answer your question since JDK isn't actually compiling it, but hopefully it helps!
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Actually Eclipse has its own compiler. You can develop java apps using only the JRE and Eclipse
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