Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions. Programmers frequently need to ...

This repo contains a collection of Java programs I wrote during my semester coursework and practice sessions. It includes basic to intermediate Java concepts, algorithms, data structures, and some ...

Neal Ford coined the term functional thinking to describe the mental shift required from developers trained primarily in object-oriented programming, who want to integrate functional programming ...

Arrays Basics, 2D arrays, sliding window, prefix sums, Kadane’s, etc. Foundation for all other DSA problems. Strings Palindromes, anagrams, character frequency, pattern matching Frequently asked in ...