Posts by Oana Rinaldi

Java Coding Exercise: Implement LRU Cache from Scratch with LinkedHashMap   Building an efficient in-memory cache is a common task in software systems, especially when performance and memory usage are…

Use Java Streams to Aggregate Sales Data by Region   Java Streams provide a powerful way to manipulate collections in a functional style. In this blog post, we’ll explore how…

Java Map vs ConcurrentMap: A Multithreaded Use Case   Working with maps in Java is a fundamental part of many applications. However, when it comes to multithreaded environments, not all…

Java Streams Explained Through File Filtering Tasks   Java Streams have revolutionized the way we process collections and IO operations by introducing a functional and declarative style. In this post,…