Need of 𝑷𝑶𝑱𝑶 As dealing with complex JSON response is not straight forward so it's better to map them in to Java Objects Using POJO and then play with Java Objects.

🔥 This is a perfect “pre-flight checklist” before diving into advanced algorithms. HashMaps, recursion, DFS/BFS, binary search, sliding window, heaps — master these, and a lot of interview problems ...