#JavaEvolved

☕ Scoped values Share data across call stacks safely without ThreadLocal pitfalls. ThreadLocal → ScopedValue (JDK 25+) 🔗 #Java #JavaEvolved

☕ Record patterns (destructuring) Destructure records directly in patterns — extract fields in one step. Manual Access → Destructuring (JDK 21+) 🔗 #Java #JavaEvolved

☕ Pattern matching for instanceof Combine type check and cast in one step with pattern matching. instanceof + Cast → Pattern Variable (JDK 16+) 🔗 #Java #JavaEvolved

☕ HexFormat Convert between hex strings and byte arrays with HexFormat. Manual Hex Conversion → HexFormat (JDK 17+) 🔗 #Java #JavaEvolved

☕ String.lines() for line splitting Use String.lines() to split text into a stream of lines without regex overhead. split("\\n") → lines() (JDK 11+) 🔗 #Java #JavaEvolved

☕ Spring Framework 7 API Versioning Replace duplicated version-prefixed controllers with Spring Framework 7's native API ver… Manual URL Path Versioning → Native API Versioning (JDK 17+) 🔗 #Java #JavaEvolved

Want to see how Java evolved, feature by feature? ☕️ @brunoborges built an amazing site that shows Java language changes side by side—perfect for students and devs modernizing legacy apps. Check it out: 🔗 #Java #SoftwareEngineering #JavaEvolved

☕ JNDI Lookup vs CDI Injection Replace fragile JNDI string lookups with type-safe CDI injection for container-managed resources. JNDI Lookup → CDI @Inject (JDK 11+) 🔗 #Java #JavaEvolved

☕ CompletableFuture chaining Chain async operations without blocking, using CompletableFuture. Blocking Future.get() → CompletableFuture (JDK 8+) 🔗 #Java #JavaEvolved

☕ Path.of() factory Use Path.of() — the modern factory method on the Path interface. Paths.get() → Path.of() (JDK 11+) 🔗 #Java #JavaEvolved

☕ Unmodifiable collectors Collect directly to an unmodifiable list with stream.toList(). collectingAndThen → stream.toList() (JDK 16+) 🔗 #Java #JavaEvolved

☕ Stable values Thread-safe lazy initialization without volatile or synchronized. Double-Checked Locking → StableValue (JDK 25+) 🔗 #Java #JavaEvolved

☕ Modern HTTP client Use the built-in HttpClient for clean, modern HTTP requests. HttpURLConnection → HttpClient (JDK 11+) 🔗 #Java #JavaEvolved

☕ Module import declarations Import all exported packages of a module with a single declaration. Many Imports → import module (JDK 25+) 🔗 #Java #JavaEvolved

☕ Duration and Period Calculate time differences with type-safe Duration and Period. Millisecond Math → Duration / Period (JDK 8+) 🔗 #Java #JavaEvolved

☕ Optional.ifPresentOrElse() Handle both present and empty cases of Optional in one call. if/else on Optional → ifPresentOrElse() (JDK 9+) 🔗 #Java #JavaEvolved

☕ String.repeat() Repeat a string n times without a loop. StringBuilder Loop → repeat() (JDK 11+) 🔗 #Java #JavaEvolved

☕ Text blocks for multiline strings Write multiline strings naturally with triple-quote text blocks. String Concatenation → Text Blocks (JDK 15+) 🔗 #Java #JavaEvolved

☕ Pattern matching in switch Replace if-else instanceof chains with clean switch type patterns. if-else Chain → Type Patterns (JDK 21+) 🔗 #Java #JavaEvolved

☕ Manual JPA Transaction vs Declarative @Transactional Replace verbose begin/commit/rollback blocks with a single @Transactiona… Manual Transaction → @Transactional (JDK 11+) 🔗 #Java #JavaEvolved