https://hld-lld.com/foundations/how-to-approach 2026-04-16T19:29:11.329Z https://hld-lld.com/foundations/key-concepts 2026-04-16T19:29:11.332Z https://hld-lld.com/foundations/what-is-system-design 2026-04-16T19:29:11.334Z https://hld-lld.com/hld/building-blocks 2026-04-16T19:29:11.330Z https://hld-lld.com/hld/case-studies 2026-04-16T19:29:11.338Z https://hld-lld.com/hld/patterns 2026-04-16T19:29:11.336Z https://hld-lld.com 2026-04-16T19:29:11.337Z https://hld-lld.com/interview/common-mistakes 2026-04-16T19:29:11.328Z https://hld-lld.com/interview/practice-problems 2026-04-16T19:29:11.331Z https://hld-lld.com/interview/structure 2026-04-16T19:29:11.837Z https://hld-lld.com/lld/case-studies 2026-04-16T19:29:11.839Z https://hld-lld.com/lld/design-patterns 2026-04-16T19:29:11.842Z https://hld-lld.com/lld/oop-principles 2026-04-16T19:29:11.840Z https://hld-lld.com/resources 2026-04-16T19:29:11.840Z