RecyclerView কী এবং এটি কেন গুরুত্বপূর্ণ?

Displaying a long list naively (a view per item) is WASTEFUL — thousands of items =
thousands of views = memory/performance problems.
RECYCLERVIEW reuses a small pool of views:
  → only views for VISIBLE items exist; as you scroll, off-screen views are RECYCLED
    (re-bound with new data) for newly-visible items
  → constant memory regardless of list size → smooth, efficient scrolling
→ This recycling is the key to performant lists.