Sliding Window Solutions in Java: Fixed and Variable Size WindowsThe Sliding Window technique is a powerful approach for solving problems involving subarrays or substrings by maintaining a "window" that slides over the data. This window can be of fixed size or variable size, depending on the problem constraints. I...Aug 19, 2025·11 min read
Top Java Stream API Interview Coding Questions1️⃣ Find Second Highest Number in a List List<Integer> numbers = Arrays.asList(5, 1, 9, 2, 9, 7); Optional<Integer> secondHighest = numbers.stream() .distinct() .sorted(Comparator.reverseOrder()) .skip(1) .findFirst(); System.out.pri...Mar 7, 2025·30 min read
When to Pass i, i+1, or idx+1 in Recursion?Recursion is one of the most powerful techniques in programming. However, many developers get confused about when to pass i, i+1, or idx+1 while making recursive function calls. In this blog, we’ll break it down in simple terms with clear examples. ...Mar 5, 2025·3 min read
The Proxy Design Pattern: Simplifying Access and ControlSecure Access, Enhance Control, and Improve PerformanceDec 27, 2024·5 min read
The Saga Design Pattern: Efficient Management of Distributed Transactions in MicroservicesIntroduction Microservices architecture has become the standard in modern software development for building scalable and maintainable systems. However, managing distributed transactions across multiple microservices is a complex task. The Saga Design...Dec 26, 2024·7 min read
Optimizing Database Indexing System with AVL Trees and Caching in Java | Boost Performance with Lazy BalancingIncrease Efficiency in Java Indexing by Using Caching and Lazy BalancingDec 25, 2024·12 min read
Build a Real-Time System Monitoring Dashboard with NestJS, Socket.IO, and Plotly.jsIn the realm of system administration, maintaining an eagle eye on your system's health is paramount. This includes monitoring CPU usage, memory utilization, and other vital metrics to ensure smooth operation and prevent performance bottlenecks. A re...May 15, 2024·6 min read