☕ Module import declarations
Import all exported packages of a module with a single declaration.
Many Imports → import module (JDK 25+)
🔗 javaevolved.github.io/language/modul…#Java#JavaEvolved
☕ Pattern matching for instanceof
Combine type check and cast in one step with pattern matching.
instanceof + Cast → Pattern Variable (JDK 16+)
🔗 javaevolved.github.io/language/patte…#Java#JavaEvolved
☕ Strong random generation
Get the platform's strongest SecureRandom implementation.
new SecureRandom() → getInstanceStrong() (JDK 9+)
🔗 javaevolved.github.io/security/stron…#Java#JavaEvolved
☕ Unnamed variables with _
Use _ to signal intent when a variable is intentionally unused.
Unused Variable → _ Placeholder (JDK 22+)
🔗 javaevolved.github.io/language/unnam…#Java#JavaEvolved
☕ Optional.ifPresentOrElse()
Handle both present and empty cases of Optional in one call.
if/else on Optional → ifPresentOrElse() (JDK 9+)
🔗 javaevolved.github.io/streams/option…#Java#JavaEvolved
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