no-op on ios , since it does n't use garbage collection . concode_field_sep Runtime instance concode_elem_sep List<Thread> shutdownHooks concode_field_sep void traceMethodCalls concode_elem_sep void loadLibrary concode_elem_sep int availableProcessors concode_elem_sep void addShutdownHook concode_elem_sep long maxMemory concode_elem_sep void runShutdownHooks concode_elem_sep void exit concode_elem_sep void halt concode_elem_sep long totalMemory concode_elem_sep void load concode_elem_sep boolean removeShutdownHook concode_elem_sep void registerShutdownHooks concode_elem_sep void gc concode_elem_sep Runtime getRuntime concode_elem_sep long freeMemory concode_elem_sep void traceInstructions
void function ( ) { }