All interviews with @jbaruch from the past days — featuring top speakers, authors, and voices from the community — are now available! 🚀 Watch now and dive even deeper into the #JCON2026 topics 👇 youtube.com/@JAVAPRO-channel… Many thanks to our amazing speakers: @JohannesRabauer @asm0di0 @mgrygles @MaritvanDijk77 @piotrprz @brunoborges, Frederik Pietzko, Jan Thierolf, Lutske de Leeuw, Maaren Vandepere, Nupur Agarwal #LangChain4j #OpenSource #AIAgents #AI #JVM #SpringAI #Oel #Quarkus #SpecDrivenDevelopment #JavaStreams #SoftwareArchitecture #SpringFramework #A2A

NEEEED more input? 😏 Then jump into our livestream on YouTube now! @jbaruch is live at the Tessl & JAVAPRO Interview Booth, talking with speakers about: 💬 Fresh perspectives, side stories, and honest opinions 🔥 The kind of insights you don’t get in sessions 👉 Tech & innovation 👉 Business trends 👉 Culture & the big ideas behind #JCON2026 All interviews from the past days with top speakers, authors, and voices from the community are also available! 🚀 Watch now and dive even deeper into the JCON topics 👇 youtube.com/@JAVAPRO-channel… Big thanks to our amazing speakers: @sKriemhild, @devops_thiago, @lofidewanto, @cayhorstmann, @fmartin_, @ewolff, @KoTurk77, @EliteGentleman, @hansolo_ & more! #LangChain4j #OpenSource #AIAgents #AI #JVM #SpringAI #Oel #Quarkus #SpecDrivenDevelopment #JavaStreams #SoftwareArchitecture #SpringFramework #A2A

Declarative pipelines. Lazy evaluation. Batched #Gatherers. #JavaStreams evolved into a flexible data processing framework. Mihaela Gheorghe-Roman offers a practical timeline from #Java 8 to 24—plus common pitfalls to avoid: javapro.io/2025/11/13/java-s… @OpenJDK #Java25 #JDK24 #JDK

Day 20/365: More HashMap Learning Topic: HashMap's Today's Progression: • HashMap Basics: Moved from for loops to keySet() & entrySet() iterations. Learned that Maps have no "order"—they only have Keys. • First Non-Repeating Element: Solved the classic "Two-Pass" problem. (Pass 1: Build Count, pass 2: Verify Order). • Intersection & Union: used HashSet as a filter. Intersection: "Check and Cross off" (contains remove). Union: "Just Add Everything" (Set automatically handles duplicates). Revision Java Streams: • Q_10_Find_Duplicates_in_List • Q_11_Merge_Multiple_List_in_list • Q_12_Concatenate_multiple_string_words #DSA #Java #CodingStreak #100DaysOfCode #DataStructures #HashMap #InterviewPreparation #BuildInPublic #Java8 #JavaStreams #RevisionMode

Are you using parallelStream() without profiling? Or still writing Collectors.toList() manually? #JavaStreams have evolved—Mihaela Gheorghe-Roman breaks down what modern #Java offers you from 8 to 24: javapro.io/2025/11/13/java-s… @OpenJDK #ProjectAmber #Java25 #JavaStreams #JDK24

Still writing verbose loops in #Java? Streams have evolved far beyond map() & filter()—from takeWhile() to mapMulti() to gather(). Mihaela Gheorghe-Roman traces the full journey from Java 8 to 24. Stay current: javapro.io/2025/11/13/java-s… @OpenJDK #ProjectAmber #Java25 #JavaStreams

✅ Example: list.parallelStream() .map(this::complexComputation) .collect(Collectors.toList()); #JavaStreams #Java 🧵

💡 Java tip: Use parallelStream() with care. It's ideal for CPU-intensive tasks, not I/O operations. ✅ Good for CPU-bound computations, it uses the ForkJoinPool.commonPool() where the default parallelism equals the number of CPU cores. #Java #JavaStreams 🧵

💡 Java tip: Use parallelStream() with care. It's ideal for CPU-intensive tasks, not I/O operations. ✅ Good for CPU-bound computations, it uses the ForkJoinPool.commonPool() where the default parallelism equals the number of CPU cores: list.parallelStream() .map(this::complexComputation) .collect(Collectors.toList()); ⚠️ The thread pool size is fixed to CPU cores and threads spend most of their time waiting for external data to arrive, and while one thread waits, other threads can’t step in. list.parallelStream() .map(this::IOOperations) .collect(Collectors.toList()); #Java #JavaStreams

Comparing #Java Streams & Jox Flows: similar APIs on the surface, so why bother with a yet another streaming library for Java? One is pull-based, the other push-based; one excels at transforming collections, the other at managing asynchronous event flows & concurrency. 👉 Read the full article by @adamwarski: softwaremill.com/comparing-j… #API #JoxFlows #JavaStreams

Coincidentally used learned stream in project. Feels great to write clean and concise code! 🚀 #Java #JavaStreams #LearningInPublic

🔥 Data Types in Java In Java, data types specify the type of data that a variable can hold. They are divided into two main categories: 1. Primitive Data Types Data Type -------------- - byte (Small integer (-128 to 127)) - short (Medium integer (-32,768 to 32,767)) - int (Large integer (-2^31 to 2^31-1)) - long (Very large integer (-2^63 to 2^63-1)) - float (Decimal numbers (6-7 digits precision)) - double (Decimal numbers (15 digits precision)) - char (Single character) - boolean (True or False) 2. Non-Primitive Data Types (Reference Types) Data Type -------------- - String (Sequence of characters) - Array (Collection of similar data types) - Class (Blueprint for objects) - Interface (Collection of abstract methods) #Java #JavaProgramming #JavaTutorial #JavaDeveloper #LearnJava #JavaForBeginners #JavaOOP #JavaCollections #JavaBackend #JavaFramework #SpringBoot #JavaMultithreading #JavaDesignPatterns #Java2025 #JavaLambda #JavaStreams #JavaFunctionalProgramming #JavaWithSpringBoot #JavaCoding #Coder #JavaProject #JavaBackendDeveloper #JavaDevelopment #JavaCodingChallenge #react #developer

🚀 Java 24 is coming, and it brings Stream.gather()! It makes easier to perform intermediate data transformation in streams: ✅ One-to-one ✅ One-to-many ✅ Many-to-many More power, less code! 💡 Ready to try it? #Java #Java24 #JDK24 #JavaStreams #Coding #Developers #Tech

🛠️ From lazy evaluation to side effects—get the lowdown on the 5 most common Java Streams mistakes and how to avoid them. #JavaStreams #CodingTips #Java buff.ly/3P49idg

🚀 Level up your stream processing! Our guide shows 5 common pitfalls in Java Streams and how to overcome them for smooth code execution. #JavaStreams #JavaDev #CodingTips buff.ly/3P49idg

How Hashing Works in HashMap? 🔍🚀 Ever wondered how HashMap stores and retrieves data so efficiently? Understanding hashing, buckets, and collision handling is key to mastering Java collections! In this video, I break down how hashing works in HashMap with clear visuals. Plus, I’ll show a custom sorting example using Java Streams to make your data manipulation even more powerful. Watch now and level up your Java skills! 🎯🔥 🔗 youtu.be/KZqlxrmMQOM #Java #HashMap #Hashing #JavaStreams #Coding #Bitbee

How Hashing Works in HashMap? 🔍🚀 Ever wondered how HashMap stores and retrieves data so efficiently? Understanding hashing, buckets, and collision handling is key to mastering Java collections! In this video, I break down how hashing works in HashMap with clear visuals. Plus, I’ll show a custom sorting example using Java Streams to make your data manipulation even more powerful. Watch now and level up your Java skills! 🎯🔥 🔗 youtu.be/KZqlxrmMQOM #Java #HashMap #Hashing #JavaStreams #Coding #Bitbee

🔧 Enhance your Java Streams skills by learning from common errors. Find out the 5 mistakes many developers make and how to fix them! #JavaStreams #Coding #Java buff.ly/3P49idg

🚦 Avoid the roadblocks in your Java Streams! Discover the top 5 mistakes and learn techniques to make your code bulletproof. #JavaStreams #CodingTips #JavaDev buff.ly/3P49idg

🔍 Unlock the secrets to error-free Java Streams! Learn about 5 common mistakes and the best practices to avoid them. #JavaStreams #CodingBestPractices #Java buff.ly/3P49idg