Posted inCoding Interviews
Binary Search Interview Patterns for 2026
Master binary search for coding interviews: 4 core patterns, a reusable template, and common off-by-one traps with examples.
Posted inCoding Interviews
Dynamic Programming Interview Guide: 2026 Patterns
Master dynamic programming for coding interviews with a 5-step framework, 1D and 2D patterns, Java examples, and a 2-week practice plan.
Posted inCoding Interviews Interview Preparation
SQL Interview Questions for Engineers: 2026 Guide
Master SQL interview questions in 2026: joins, window functions, top-N per group, gaps and islands, indexing, and a 2-week prep plan.
Posted inCoding Interviews Interview Preparation
Java Concurrency Interview Questions: 2026 Guide
Top Java concurrency interview questions for 2026: volatile vs synchronized, thread pools, ConcurrentHashMap, virtual threads, and a blocking queue walkthrough.
Posted inCoding Interviews Interview Preparation
Low-Level Design Interview Guide 2026 (with Java)
Ace the low-level design interview in 2026: a 6-step LLD framework, SOLID and design patterns, a Java parking lot walkthrough and a 2-week plan.
Prefix Sum Pattern for Coding Interviews: 2026 Guide
Master the prefix sum pattern for coding interviews: range queries, prefix sum + hash map, difference arrays, Java code and a 7-day practice plan.
Posted inCoding Interviews
Backtracking Pattern for Coding Interviews: 2026 Guide
Master the backtracking pattern for coding interviews: the universal template, classic problems like subsets and N-Queens, pruning tips, and a practice plan.
Topological Sort Pattern for Coding Interviews 2026
Master the Topological Sort pattern: spot the hidden DAG, memorize the Kahn’s algorithm Java template, and get cycle detection free. 4 classic problems.
Merge Intervals Pattern for Coding Interviews 2026
Master the Merge Intervals pattern: the sorting insight, a clean Java template, and the 5 classic problems that cover almost every interval question.
Dynamic Programming Patterns for Coding Interviews 2026
Master dynamic programming for coding interviews in 2026 with the FAST framework, memoization vs tabulation, the core DP patterns, and a two-week prep plan.