The Java Dev

RT @animesh_kr1: Performance testing often happens too late, when fixing issues is expensive. Explore shift-left with Gatling can fit naturally into automation pipelines using a controlled env and automated thresholds. @ThePracticalDev @springboot @java #DEVCommunity

Java developers can now build GenAI features without the boilerplate. Learn how to use Genkit Java and Gemini to create strongly typed AI flows with structured output and built-in observability. [ author: @xavidop + @GoogleDevExpert } dev.to/gde/it-has-nev…

Stop wasting time on port conflicts and bean configuration crashes. Here is a compilation of common Spring Boot errors and their practical solutions. { author: Akanksha Soni } dev.to/akanksha_soni_…

Java concurrency has changed. With the introduction of Virtual Threads and a focus on immutability, the way we handle parallelism is revolutionizing. Here is the deep dive. { author: @realDBC4 } dev.to/dbc2201/javas-…

Wanna know if you are a real JavaScript developer or not? 😅 Check out my latest article on @ThePracticalDev 🔥: You’re a Real @JavaScript Developer Only If... dev.to/hadil/youre-a-… #Programming #JavaScript #DevCommunity

New blog post alert 🚨 "@Quarkus 3 application on #AWS Lambda- Part 5 Measuring Lambda cold and warm starts with @graalvm Native Image". #AWS #Serverless #Java @java @ThePracticalDev @The_Java_Dev dev.to/aws-heroes/qua…

Implementing cdk-nag in Java CDK unit tests 🔹 Apply AwsSolutionsChecks in test setup 🔹 Use CDK Assertions to catch missing security rules { author: @yvthepief } #DEVCommunity #Java dev.to/aws-builders/v…

Day 1 of my 270-day coding journey: diving into Java with a clear roadmap to grow as a creator, thinker and builder. #DEVCommunity #Java dev.to/chakshuisadev/…

Walk through fixing a Java cdk-nag test in AWS CDK, using Amazon Q to surface EC23 warnings and enforce security best practices. { author: @yvthepief } #DEVCommunity #Java dev.to/aws-builders/v…

✅ sync.WaitGroup basics: Add, Done, Wait ✅ memory layout tricks and atomic updates ✅ goroutine coordination internals #DEVCommunity #Java dev.to/leapcell/how-d…

Go’s sync.WaitGroup uses Add, Done and Wait to block main goroutine until subtasks complete, relying on atomic counters and semaphores. #DEVCommunity #Java dev.to/leapcell/how-d…

Insert and merge a new interval into a sorted, non overlapping list • Single pass O(n), constant extra space • Java code example { author: @vazhathody } #DEVCommunity #Java dev.to/rohithv07/leet…

Explore 5 libraries for reading image EXIF data in code, including libheif, exiv2, ExifTool, Leadtools and JDeli. #DEVCommunity #Java dev.to/idrsolutions/h…

Learn how to cut cold starts in Quarkus 3 Lambdas by priming DynamoDB with AWS SnapStart. Startup median drops to ~650 ms. { author: @VKazulkin } #DEVCommunity #Java dev.to/aws-heroes/qua…

Structured string parsing in Java can be brittle with regex or split. StringFormat uses templates for clear, compile-safe extraction. #DEVCommunity #Java dev.to/fluentfuture/p…

Jargon-free guide to the Prototype Pattern: clone complex objects instead of rebuilding them and manage deep vs shallow copies cleanly. #DEVCommunity #Java dev.to/syedyshiraz/un…

Java data types in brief: primitive vs reference, literals, type conversion rules and wrappers. Essential refresher for interviews or quick review. #DEVCommunity #Java dev.to/kmartita/java-…

Trace Java’s journey from Sun’s Oak experiment to today’s Write Once, Run Anywhere staple, driven by bytecode and the JVM. #DEVCommunity #Java dev.to/icelink/histor…

Java guide to creating a number-guessing game: pick a random 1–100 number, offer 10 attempts and give higher/lower hints. #DEVCommunity #Java dev.to/ramya_kamalase…

Add Spring Boot integration tests with MockMvc to go beyond unit tests. Learn when to choose @WebMvcTest or @SpringBootTest. #DEVCommunity #Java dev.to/jmohammadmirza…