corpus.blog
41554 blogs · [ { "id": "01a087a8-18fe-71db-8831-a7a79a16f570", "title": "Day 100: What 100 Days of Java Actually Changed in How I Think About Software", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day100-capstone.md/", "published_at": "2026-03-30T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a79ab0ed96", "title": "Day 99: Virtual Threads Didn't Kill Event Loops. Here's How Each Works", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day99/", "published_at": "2026-02-13T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a79b8cdfaa", "title": "Why Your Parallel Streams were Leaving CPU Cores Idle (And How to Fix It)", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day100-spliterator/", "published_at": "2025-12-24T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a79c859e82", "title": "Day 98: I Thought Virtual Threads Were Just Green Threads They're Actually Continuations on the Heap", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day98/", "published_at": "2025-12-23T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a79c9d87b3", "title": "Day 97: Java Concurrency Toolkit Part 3 - Advanced Patterns & Production Readiness", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day97/", "published_at": "2025-12-22T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a79d18d88d", "title": "Day 96: Java Concurrency Toolkit Part 2 - Core Synchronization Patterns", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day96/", "published_at": "2025-12-10T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a79de2d1ce", "title": "Day 95: Java Concurrency Toolkit Part 1 - Foundation & Execution Patterns", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day95/", "published_at": "2025-11-21T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a79e9dcc33", "title": "Day 94: Nobody Told Me Java Application Could Start This Fast and The Rabbit hole I explored", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day94/", "published_at": "2025-10-30T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a79f46e3a2", "title": "Day 93: Stop Leaking Passwords - Building Java's Answer to PHP's #[SensitiveParameter]", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day93/", "published_at": "2025-10-07T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a79fb6d921", "title": "Day 92: Building AI Agents with Java 21 and Spring AI - My Learning from the Workshop", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day92/", "published_at": "2025-09-10T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7a052a744", "title": "Day 91: The Art of Reading Massive Files Without Breaking a Sweat - Memory Mapping in Java 21", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day91/", "published_at": "2025-08-15T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7a1076972", "title": "Day 90: How I Built a Secret Agent That Infiltrates Any Java Application", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day90/", "published_at": "2025-07-18T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7a1da5c89", "title": "Day 89: When Your Singleton Isn't Really a Singleton (And How to Fix It)", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day89/", "published_at": "2025-06-26T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7a2d88d45", "title": "Day 88: Multilingual Audio Transcription with Gemini 1.5, Vertex AI, and Spring Boot", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day88/", "published_at": "2025-04-29T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7a3c0bc57", "title": "Day 87: Java's Environment Variable Paradox: Easy to Read, Impossible to Change?", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day87/", "published_at": "2025-03-26T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7a3c73eb6", "title": "Day 86: Building a Secure Java Sandbox with Custom Class Loaders, Process isolation and Java Platform Module System – Executing JAR and .java Files Safely", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day86/", "published_at": "2025-03-12T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7a40d0581", "title": "Day 85: Idempotent APIs in Java: Concepts, Implementation Strategies, and a Spring Boot File Upload Implementation", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day85/", "published_at": "2025-01-02T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7a4715394", "title": "Day 84: Hot Class Reload in Java – A Webpack HMR-like Experience for Java Developers", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day84/", "published_at": "2024-10-04T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7a4ab50ca", "title": "Day 83: Java Object Cloning: Exploring Shallow and Deep Copy Techniques", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day83/", "published_at": "2024-09-14T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7a539d034", "title": "Day 82: Reflection in Java: Building a Simple DI Container in 100 Lines of Code", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day82/", "published_at": "2024-08-17T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7a5d0123a", "title": "Day 81: Creating custom stream operations ex: Slide, Shift, Zip and Fold using Spliterator", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day81/", "published_at": "2024-07-04T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7a5d42b8b", "title": "Day 80: From Concept to Code: Implementing a Dummy Consistent Hashing in Java using TreeMap", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day80/", "published_at": "2024-05-23T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7a6c6d08d", "title": "Day 79: Did you know that too much print statement can cost you money", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day79/", "published_at": "2024-05-03T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7a72b4c1f", "title": "Day 78: Java 22 - Embracing Safe Memory Allocation Using FFM API - An alternative to Unsafe API", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day78/", "published_at": "2024-04-18T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7a791acbb", "title": "Day 77: Explore Something Unsafe : Crafting a Memory allocator using Java Unsafe API", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day77/", "published_at": "2024-03-14T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7a872598f", "title": "Day 76: Implementing a dummy Service Oriented Architecture (SOA) service to Understand Java Service Provider Interface (SPI)", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day76/", "published_at": "2024-01-26T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7a8ef7736", "title": "Day 75: Java BufferedReader: Do We Know Why We Need To Close It?", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day75/", "published_at": "2024-01-02T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7a9788a79", "title": "Day 74: Java Security: Crafting a toy TLS Server with Java Security API", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day74/", "published_at": "2023-12-12T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7a9998a80", "title": "Day 73: Java Security: Safeguarding Data with Encryption and Keys", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day73/", "published_at": "2023-09-11T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7aa0fcf73", "title": "Day 72: Can a HashMap Take Null or Empty String as a Key in Java?", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day72/", "published_at": "2023-07-26T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7aaf6dfc5", "title": "Day 71: Understanding Heap poullion in java and its causes and how to prevent it", "url": "https://mohibulsblog.netlify.app/posts/posts/java/100daysofjava/day71/", "published_at": "2023-06-09T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7ab6267eb", "title": "Day 70:Diving deep into Array copy- Measuring Array Copy Performance in Java with JMH: A Comparative Analysis of Methods", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day70/", "published_at": "2023-04-15T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7ac255f32", "title": "Day 69 : Unlocking Java Performance Secrets: Harnessing the Power of JMH Microbenchmarking", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day69/", "published_at": "2023-04-05T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7ac65ad39", "title": "Day 68 : Becoming a memory plumber; A tale of Memory Leak and how to find them ( part 3)", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day68/", "published_at": "2023-03-30T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7acabde41", "title": "Day 67: Becoming a memory plumber; A tale of Memory Leak and how to find them ( part 2)", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day67/", "published_at": "2023-01-21T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7ad6946c5", "title": "Day 66: Becoming a memory plumber; A tale of Memory Leak and how to find them ( part 1)", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day66/", "published_at": "2023-01-20T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7adca0b78", "title": "Day 65: A tale of RMI (Remote Method Invocation) in java", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day65/", "published_at": "2023-01-12T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7ae93faec", "title": "Day 64: Implementing a basic Bloom Filter Using Java BitSet api", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day64/", "published_at": "2022-12-28T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7aeaf436b", "title": "Day 63: Alert system for Java OutOfMemory Error", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day63/", "published_at": "2022-12-14T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7af09ca67", "title": "Day 62: Understanding JMX and its architecture ( Agent Level )", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day62/", "published_at": "2022-11-29T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7afcc92d5", "title": "Day 61: Understanding JMX and its architecture (Management Level)", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day61/", "published_at": "2022-11-15T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7b032b70b", "title": "Day 60: Generating JVM heap dump programmatically", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day60/", "published_at": "2022-11-11T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7b0c926b2", "title": "Day 59: Understanding Proxy and Dynamic Proxy in Java", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day59/", "published_at": "2022-11-04T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7b16420da", "title": "Day 58: Mocking void methods using ArgumentCapture and Answering", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day58/", "published_at": "2022-10-23T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7b196a41d", "title": "Day 57: All about Random in Java ( Random, SecureRandom,ThreadLocalRandom and SplittableRandom)", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day57/", "published_at": "2022-10-13T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7b1ccaaf0", "title": "Day 56: Zero length Array and Its use", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day56/", "published_at": "2022-10-06T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7b1fff600", "title": "Blue-Green Deployment using DNS", "url": "https://mohibulsblog.netlify.app/posts/tutorial/devops/blue-green-release-dns/", "published_at": "2022-10-03T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7b20e4178", "title": "Day 55: Understanding static and instance initializer in java classes and", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day55/", "published_at": "2022-09-26T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7b279c592", "title": "Git troubleshooting : 6 helpful command with explanations", "url": "https://mohibulsblog.netlify.app/posts/tutorial/git/git-troubleshooting-with-helpful-commands/", "published_at": "2022-09-15T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7b292a438", "title": "Day 54: Understanding volatile keyword's use for Multi Threaded program", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day54/", "published_at": "2022-09-01T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7b2bb58c7", "title": "Day 53: Processing Http Request Asynchronously using CompletableFutures", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day53/", "published_at": "2022-08-17T00:00:00+00:00" }, { "id": "01a087a8-18fe-71db-8831-a7a7b30bf491", "title": "Day 52: Async Processing HttpRequest's using ExecutorCompletionService", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day52/", "published_at": "2022-07-26T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d1592ace75e1", "title": "Day 51: Creating Stream (using StreamSupport API) from Spliterator by converting Iterator to Spliterator", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day51/", "published_at": "2022-05-28T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d1592b88c203", "title": "Day 50: Marker interface and it's uses", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day50/", "published_at": "2022-05-21T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d1592c77bf1c", "title": "Day 49: A utility class for Zip and Unzip files using java FileSystem api (Part 2)", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day49/", "published_at": "2022-05-06T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d1592c98f0db", "title": "Day 48: A utility class for Zip and Unzip files using java Zip api (Part 1)", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day48/", "published_at": "2022-04-11T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d1592d1a059e", "title": "Day 47: ThreadMXBean to get information about thread's status, deadlock monitoring and cpu time that the thread got etc.", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day47/", "published_at": "2022-03-28T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d1592de04f8f", "title": "Day 46: Writing a generic and thread safe ObjectPool to enable pooling for any type of class", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day46/", "published_at": "2022-03-16T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d1592e112ee2", "title": "Day 45: learning about the internals of JVM and JRE (part 3)", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day45/", "published_at": "2022-03-01T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d1592f00876b", "title": "Day 44: learning about the internals of JRE and JVM (Part 2)", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day44/", "published_at": "2022-02-24T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d1592fdba742", "title": "Day 43: learning about the internals of jre, jvm (Part 1)", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day43/", "published_at": "2022-02-14T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d1592fe9f1fe", "title": "Day 42: using custom annotations and check if its a class level or field level annotation", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day42/", "published_at": "2022-02-11T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d15930469bc3", "title": "Day 41: Generating unique id's based on device MAC address and epoch time", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day41/", "published_at": "2022-02-03T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d15930af4cd8", "title": "Day 40: Generator implementation using custom Iterator and Threads.", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day40/", "published_at": "2022-01-27T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d1593111b196", "title": "Day 39: Local date time to UTC date time and vice versa with respect to timezone and Day light saving", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day39/", "published_at": "2022-01-21T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d15932034347", "title": "Day 37: Feature toggle to enable disable features for paid and unpaid user", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day37/", "published_at": "2022-01-05T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d1593236c5fe", "title": "Day 38: One of the cases to use check and unchecked exceptions", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day38/", "published_at": "2022-01-05T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d159329296f5", "title": "Day 36: Learned about banned dependencies and how to ban transitive dependency in a maven or gradle project", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day36/", "published_at": "2021-12-14T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d159333b24d1", "title": "Day 35: Emulating Pair in java using AbstractMap.SimpleEntry() and new Object() {} implementation", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day35/", "published_at": "2021-12-06T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d1593365d6f2", "title": "Advent of Code Day 02", "url": "https://mohibulsblog.netlify.app/posts/adeventofcode2021/day02/", "published_at": "2021-12-02T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d1593421268e", "title": "Advent of Code Day 01", "url": "https://mohibulsblog.netlify.app/posts/adeventofcode2021/day01/", "published_at": "2021-12-01T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d15934518797", "title": "Day 34: Inspecting JVM runtime memory and processor count with Runtime", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day34/", "published_at": "2021-12-01T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d159347aa03c", "title": "Day 33: Getting a programmer joke asynchronously with CompletableFuture, HttpClient, and Jackson", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day33/", "published_at": "2021-11-25T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d15934b8fd5f", "title": "Day 32: Using Objects.equals() when values may be null", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day32/", "published_at": "2021-11-17T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d159355effa3", "title": "Day 31: Compressing and decompressing text with Deflater and Inflater", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day31/", "published_at": "2021-11-10T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d159364ccab7", "title": "Day 30: Exploring a generator-style approach in Java with Supplier and IntStream", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day30/", "published_at": "2021-11-04T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d1593748299b", "title": "Day 29: ParameterizedTest and MethodSource for repeated test inputs", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day29/", "published_at": "2021-10-28T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d15938202579", "title": "Day 28: Arrays.asList() and new ArrayList() are not the same", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day28/", "published_at": "2021-10-22T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d15938c7abb7", "title": "Day 27: Implementing a Unix pipe-like class in Java with Function composition", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day27/", "published_at": "2021-10-14T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d15939c6f9e2", "title": "Day 26: Writing a method to retry another method execution", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day26/", "published_at": "2021-09-30T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d1593a31b65a", "title": "Day 25: Using a implementation of supplier creating and caching a large file (any Class in this case that will initialize a very large object) lazily and thread-safe.", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day25/", "published_at": "2021-09-21T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d1593b036e50", "title": "Day 24: Removing nulls from list using Collections.singleton and Objects.isNull", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day24/", "published_at": "2021-09-14T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d1593b8be71a", "title": "Day 23: TemporalAdjuster ofDateAdjuster implementation and DayOfWeek calculating the next working day with Bangla name.", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day23/", "published_at": "2021-09-08T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d1593bc98b50", "title": "Day 22: Using stream of streams and flatmapping it to concat multiple streams", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day22/", "published_at": "2021-09-06T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d1593c5a1e03", "title": "Day 21: Optional.ifPresent and Optional.filter to log and filter the Scheduled Day according to holiday", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day21/", "published_at": "2021-08-31T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d1593cde3d4a", "title": "Day 20: Some previous post had optional.get() in them which is not a best practice if its not with Optional.isPresent(). better than isPresent is to use orElse(), orElseGet(), orElseThrow()", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day20/", "published_at": "2021-08-20T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d1593d6d012b", "title": "Day 19: Stream.peek to get debug information and log it.", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day19/", "published_at": "2021-08-17T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d1593dccb045", "title": "Day 18: using Scanner.findAll to get all the download links from a json file.", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day18/", "published_at": "2021-08-13T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d1593e81b099", "title": "Day 17: Unicode decoding side effect. Application throws exception when a comment is removed.", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day17/", "published_at": "2021-08-06T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d1593e84dbca", "title": "Day 16: Two interface having same signature default method causing to override them.", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day16/", "published_at": "2021-08-03T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d1593f5f19e2", "title": "Day 15: Batching files and moving them using intStream", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day15/", "published_at": "2021-07-27T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d1593ff8017f", "title": "Day 14: Using stream parallel to add id to file names.", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day14/", "published_at": "2021-07-23T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d15940824d28", "title": "Day 13: Using Collectors.groupingBy and Collectors.counting to get numbers of file present of a particular type", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day13/", "published_at": "2021-07-19T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d15940a5d104", "title": "Day 12: Files.walk() and functional interface to remove file extension from fileNames", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day12/", "published_at": "2021-07-14T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d1594123f8ca", "title": "Day 11: Supplier, Consumer functional interface and httpclient to get and output Bitcoin info", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day11/", "published_at": "2021-07-09T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d159415095b9", "title": "Day 10: Function is a functional interface that takes an input and gives an output. so functions can be chained.", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day10/", "published_at": "2021-07-06T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d159417764dc", "title": "Day 9: Functional interface", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day9/", "published_at": "2021-07-05T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d159425de6ed", "title": "Day 8: I always liked string interpolation in JS. Now i found out about Javas MessageFormat's format method which lets us in its way use string interpolation.", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day8/", "published_at": "2021-07-03T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d15943077051", "title": "Day 7: Today i found out that string declared with \"\" are placed in string constant pool while with new keyword its in heap. String.intern() return string if defined in string pool otherwise creates the string and then returns it.", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day7/", "published_at": "2021-07-02T00:00:00+00:00" }, { "id": "01a087a8-18ff-73ea-862c-d15943bdefbc", "title": "Day 6: For Loop vs Foreach Loop Performance, and Why My First Benchmark Was Misleading", "url": "https://mohibulsblog.netlify.app/posts/java/100daysofjava/day6/", "published_at": "2021-07-01T00:00:00+00:00" } ] posts Claim your blog
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2026

Day 100: What 100 Days of Java Actually Changed in How I Think About Softwareoriginal ↗
30 Mar 2026
Day 99: Virtual Threads Didn't Kill Event Loops. Here's How Each Worksoriginal ↗
13 Feb 2026

2025

Why Your Parallel Streams were Leaving CPU Cores Idle (And How to Fix It)original ↗
24 Dec 2025
Day 98: I Thought Virtual Threads Were Just Green Threads They're Actually Continuations on the Heaporiginal ↗
23 Dec 2025
Day 97: Java Concurrency Toolkit Part 3 - Advanced Patterns & Production Readinessoriginal ↗
22 Dec 2025
Day 96: Java Concurrency Toolkit Part 2 - Core Synchronization Patternsoriginal ↗
10 Dec 2025
Day 95: Java Concurrency Toolkit Part 1 - Foundation & Execution Patternsoriginal ↗
21 Nov 2025
Day 94: Nobody Told Me Java Application Could Start This Fast and The Rabbit hole I exploredoriginal ↗
30 Oct 2025
Day 93: Stop Leaking Passwords - Building Java's Answer to PHP's #[SensitiveParameter]original ↗
7 Oct 2025
Day 92: Building AI Agents with Java 21 and Spring AI - My Learning from the Workshoporiginal ↗
10 Sept 2025
Day 91: The Art of Reading Massive Files Without Breaking a Sweat - Memory Mapping in Java 21original ↗
15 Aug 2025
Day 90: How I Built a Secret Agent That Infiltrates Any Java Applicationoriginal ↗
18 Jul 2025
Day 89: When Your Singleton Isn't Really a Singleton (And How to Fix It)original ↗
26 Jun 2025
Day 88: Multilingual Audio Transcription with Gemini 1.5, Vertex AI, and Spring Bootoriginal ↗
29 Apr 2025
Day 87: Java's Environment Variable Paradox: Easy to Read, Impossible to Change?original ↗
26 Mar 2025
Day 86: Building a Secure Java Sandbox with Custom Class Loaders, Process isolation and Java Platform Module System – Executing JAR and .java Files Safelyoriginal ↗
12 Mar 2025
Day 85: Idempotent APIs in Java: Concepts, Implementation Strategies, and a Spring Boot File Upload Implementationoriginal ↗
2 Jan 2025

2024

Day 84: Hot Class Reload in Java – A Webpack HMR-like Experience for Java Developersoriginal ↗
4 Oct 2024
Day 83: Java Object Cloning: Exploring Shallow and Deep Copy Techniquesoriginal ↗
14 Sept 2024
Day 82: Reflection in Java: Building a Simple DI Container in 100 Lines of Codeoriginal ↗
17 Aug 2024
Day 81: Creating custom stream operations ex: Slide, Shift, Zip and Fold using Spliteratororiginal ↗
4 Jul 2024
Day 80: From Concept to Code: Implementing a Dummy Consistent Hashing in Java using TreeMaporiginal ↗
23 May 2024
Day 79: Did you know that too much print statement can cost you moneyoriginal ↗
3 May 2024
Day 78: Java 22 - Embracing Safe Memory Allocation Using FFM API - An alternative to Unsafe APIoriginal ↗
18 Apr 2024
Day 77: Explore Something Unsafe : Crafting a Memory allocator using Java Unsafe APIoriginal ↗
14 Mar 2024
Day 76: Implementing a dummy Service Oriented Architecture (SOA) service to Understand Java Service Provider Interface (SPI)original ↗
26 Jan 2024
Day 75: Java BufferedReader: Do We Know Why We Need To Close It?original ↗
2 Jan 2024

2023

Day 74: Java Security: Crafting a toy TLS Server with Java Security APIoriginal ↗
12 Dec 2023
Day 73: Java Security: Safeguarding Data with Encryption and Keysoriginal ↗
11 Sept 2023
Day 72: Can a HashMap Take Null or Empty String as a Key in Java?original ↗
26 Jul 2023
Day 71: Understanding Heap poullion in java and its causes and how to prevent itoriginal ↗
9 Jun 2023
Day 70:Diving deep into Array copy- Measuring Array Copy Performance in Java with JMH: A Comparative Analysis of Methodsoriginal ↗
15 Apr 2023
Day 69 : Unlocking Java Performance Secrets: Harnessing the Power of JMH Microbenchmarkingoriginal ↗
5 Apr 2023
Day 68 : Becoming a memory plumber; A tale of Memory Leak and how to find them ( part 3)original ↗
30 Mar 2023
Day 67: Becoming a memory plumber; A tale of Memory Leak and how to find them ( part 2)original ↗
21 Jan 2023
Day 66: Becoming a memory plumber; A tale of Memory Leak and how to find them ( part 1)original ↗
20 Jan 2023
Day 65: A tale of RMI (Remote Method Invocation) in javaoriginal ↗
12 Jan 2023

2022

Day 64: Implementing a basic Bloom Filter Using Java BitSet apioriginal ↗
28 Dec 2022
Day 63: Alert system for Java OutOfMemory Errororiginal ↗
14 Dec 2022
Day 62: Understanding JMX and its architecture ( Agent Level )original ↗
29 Nov 2022
Day 61: Understanding JMX and its architecture (Management Level)original ↗
15 Nov 2022
Day 60: Generating JVM heap dump programmaticallyoriginal ↗
11 Nov 2022
Day 59: Understanding Proxy and Dynamic Proxy in Javaoriginal ↗
4 Nov 2022
Day 58: Mocking void methods using ArgumentCapture and Answeringoriginal ↗
23 Oct 2022
Day 57: All about Random in Java ( Random, SecureRandom,ThreadLocalRandom and SplittableRandom)original ↗
13 Oct 2022
Day 56: Zero length Array and Its useoriginal ↗
6 Oct 2022
Blue-Green Deployment using DNSoriginal ↗
3 Oct 2022
Day 55: Understanding static and instance initializer in java classes andoriginal ↗
26 Sept 2022
Git troubleshooting : 6 helpful command with explanationsoriginal ↗
15 Sept 2022
Day 54: Understanding volatile keyword's use for Multi Threaded programoriginal ↗
1 Sept 2022
Day 53: Processing Http Request Asynchronously using CompletableFuturesoriginal ↗
17 Aug 2022
Day 52: Async Processing HttpRequest's using ExecutorCompletionServiceoriginal ↗
26 Jul 2022
Day 51: Creating Stream (using StreamSupport API) from Spliterator by converting Iterator to Spliteratororiginal ↗
28 May 2022
Day 50: Marker interface and it's usesoriginal ↗
21 May 2022
Day 49: A utility class for Zip and Unzip files using java FileSystem api (Part 2)original ↗
6 May 2022
Day 48: A utility class for Zip and Unzip files using java Zip api (Part 1)original ↗
11 Apr 2022
Day 47: ThreadMXBean to get information about thread's status, deadlock monitoring and cpu time that the thread got etc.original ↗
28 Mar 2022
Day 46: Writing a generic and thread safe ObjectPool to enable pooling for any type of classoriginal ↗
16 Mar 2022
Day 45: learning about the internals of JVM and JRE (part 3)original ↗
1 Mar 2022
Day 44: learning about the internals of JRE and JVM (Part 2)original ↗
24 Feb 2022
Day 43: learning about the internals of jre, jvm (Part 1)original ↗
14 Feb 2022
Day 42: using custom annotations and check if its a class level or field level annotationoriginal ↗
11 Feb 2022
Day 41: Generating unique id's based on device MAC address and epoch timeoriginal ↗
3 Feb 2022
Day 40: Generator implementation using custom Iterator and Threads.original ↗
27 Jan 2022
Day 39: Local date time to UTC date time and vice versa with respect to timezone and Day light savingoriginal ↗
21 Jan 2022
Day 37: Feature toggle to enable disable features for paid and unpaid useroriginal ↗
5 Jan 2022
Day 38: One of the cases to use check and unchecked exceptionsoriginal ↗
5 Jan 2022

2021

Day 36: Learned about banned dependencies and how to ban transitive dependency in a maven or gradle projectoriginal ↗
14 Dec 2021
Day 35: Emulating Pair in java using AbstractMap.SimpleEntry() and new Object() {} implementationoriginal ↗
6 Dec 2021
Advent of Code Day 02original ↗
2 Dec 2021
Advent of Code Day 01original ↗
1 Dec 2021
Day 34: Inspecting JVM runtime memory and processor count with Runtimeoriginal ↗
1 Dec 2021
Day 33: Getting a programmer joke asynchronously with CompletableFuture, HttpClient, and Jacksonoriginal ↗
25 Nov 2021
Day 32: Using Objects.equals() when values may be nulloriginal ↗
17 Nov 2021
Day 31: Compressing and decompressing text with Deflater and Inflateroriginal ↗
10 Nov 2021
Day 30: Exploring a generator-style approach in Java with Supplier and IntStreamoriginal ↗
4 Nov 2021
Day 29: ParameterizedTest and MethodSource for repeated test inputsoriginal ↗
28 Oct 2021
Day 28: Arrays.asList() and new ArrayList() are not the sameoriginal ↗
22 Oct 2021
Day 27: Implementing a Unix pipe-like class in Java with Function compositionoriginal ↗
14 Oct 2021
Day 26: Writing a method to retry another method executionoriginal ↗
30 Sept 2021
Day 25: Using a implementation of supplier creating and caching a large file (any Class in this case that will initialize a very large object) lazily and thread-safe.original ↗
21 Sept 2021
Day 24: Removing nulls from list using Collections.singleton and Objects.isNulloriginal ↗
14 Sept 2021
Day 23: TemporalAdjuster ofDateAdjuster implementation and DayOfWeek calculating the next working day with Bangla name.original ↗
8 Sept 2021
Day 22: Using stream of streams and flatmapping it to concat multiple streamsoriginal ↗
6 Sept 2021
Day 21: Optional.ifPresent and Optional.filter to log and filter the Scheduled Day according to holidayoriginal ↗
31 Aug 2021
Day 20: Some previous post had optional.get() in them which is not a best practice if its not with Optional.isPresent(). better than isPresent is to use orElse(), orElseGet(), orElseThrow()original ↗
20 Aug 2021
Day 19: Stream.peek to get debug information and log it.original ↗
17 Aug 2021
Day 18: using Scanner.findAll to get all the download links from a json file.original ↗
13 Aug 2021
Day 17: Unicode decoding side effect. Application throws exception when a comment is removed.original ↗
6 Aug 2021
Day 16: Two interface having same signature default method causing to override them.original ↗
3 Aug 2021
Day 15: Batching files and moving them using intStreamoriginal ↗
27 Jul 2021
Day 14: Using stream parallel to add id to file names.original ↗
23 Jul 2021
Day 13: Using Collectors.groupingBy and Collectors.counting to get numbers of file present of a particular typeoriginal ↗
19 Jul 2021
Day 12: Files.walk() and functional interface to remove file extension from fileNamesoriginal ↗
14 Jul 2021
Day 11: Supplier, Consumer functional interface and httpclient to get and output Bitcoin infooriginal ↗
9 Jul 2021
Day 10: Function is a functional interface that takes an input and gives an output. so functions can be chained.original ↗
6 Jul 2021
Day 9: Functional interfaceoriginal ↗
5 Jul 2021
Day 8: I always liked string interpolation in JS. Now i found out about Javas MessageFormat's format method which lets us in its way use string interpolation.original ↗
3 Jul 2021
Day 7: Today i found out that string declared with "" are placed in string constant pool while with new keyword its in heap. String.intern() return string if defined in string pool otherwise creates the string and then returns it.original ↗
2 Jul 2021
Day 6: For Loop vs Foreach Loop Performance, and Why My First Benchmark Was Misleadingoriginal ↗
1 Jul 2021
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