#Design

Design and implement a Least Recently Used (LRU) Cache, and handle follow-up challenges that increase in difficulty based on your design and approach.

Design a database schema for a given scenario and explain your choices.

Create a user interface that mimics a popular website using raw frontend concepts.

Design and implement a solution to process user-entered dates and convert them into a standardized format before storing them in the system. Discuss various considerations you will take into account.

Design a reusable toast notification system from scratch that supports multiple simultaneous toasts, auto-dismiss timing, and manual close functionality. Discuss the queuing mechanism to ensure toasts do not stack and how you would handle accessibility to announce new toasts to screen readers.