question: private static boolean CallNonvirtualBooleanMethodV ( JNIEnvironment env , int objJREF , int classJREF , int methodID , Address argAddress ) throws Exception { if ( traceJNI ) VM . sysWrite ( "JNI called: CallNonvirtualBooleanMethodV  \n" ) ; RuntimeEntrypoints . checkJNICountDownToGC ( ) ; try { Object obj = env . getJNIRef ( objJREF ) ; Object returnObj = JNIHelpers . invokeWithVarArg ( obj , methodID , argAddress , TypeReference . Boolean , true ) ; return Reflection . unwrapBoolean ( returnObj ) ; } catch ( Throwable unexpected ) { if ( traceJNI ) unexpected . printStackTrace ( System . err ) ; env . recordException ( unexpected ) ; return false ; } }
target:  CallNonvirtualBooleanMethodV:  invoke a virtual method that returns a boolean value