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40 Java questions every developer should master from core concepts to advanced topics, essential practice for your next technical interview #DEVCommunity #Java dev.to/coursedia/40-j…

Exploring deeper Java reflection: accessing private fields, invoking hidden methods and leveraging MethodHandles for safer introspection. #DEVCommunity #Java dev.to/milad-sadeghi/…

Tired of off-by-ones in binary search? Explore a declarative Java API that handles loop details so you can focus on the predicate. #DEVCommunity #Java dev.to/fluentfuture/o…

Add simple caching to your Spring Boot app with Redis in Docker 🔹 spring-boot-starter-redis 🔹 @EnableCaching for faster responses { author: Ayush Shrivastava 🇮🇳 } #DEVCommunity #Java dev.to/ayshriv/spring…

Overview of OOP in Java with core principles, class vs object distinctions and practical benefits in real code examples { author: Ayush Shrivastava 🇮🇳 } #DEVCommunity #Java dev.to/ayshriv/oops-i…

SeaTunnel's HiveSink leak got fixed by wrapping close() in finally. Learn this and other Java resource management essentials. { author: Apache SeaTunnel } #DEVCommunity #Java dev.to/seatunnel/java…

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

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…

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 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-…

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…

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…

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

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

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

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…

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

Walk through fixing a Java cdk-nag test in AWS CDK, using Amazon Q to surface EC23 warnings and enforce security best practices. { author: Yvo van Zee } #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/…

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