THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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NetBeans 9 runtime platforms are only JDK8 and , JDK9, JDK10. Until JDK9 is GA it is recommended to run NB9 on top of JDK8 which is more stable. JDK9 JDK9 and JDK10 can be used as Projects Java Platform even NetBeans itself is running on top of JDK8.
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