<div dir="ltr">hello<br><br><br>      ShenandoahHeap::obj_allocate<br>  ShenandoahHeap::array_allocate<br>        ShenandoahHeap::class_allocate<br><br>      I know this is for allocating arrays, but I don't understand the difference between obj and class, I want to know what problem this design solves<br></div>