Java. Evolved.

Brought to you by @brunoborges and @GitHubCopilot

[Java. Evolved. @javaevolved]

☕ Multi-file source launcher

Launch multi-file programs without an explicit compile step.

Compile All First → Source Launcher (JDK 22+)

🔗 https://t.co/qkCCfGaaDY

#Java #JavaEvolved

[Java. Evolved. @javaevolved]

☕ String.strip() vs trim()

Use Unicode-aware stripping with strip(), stripLeading(), stripTrailing().

trim() → strip() (JDK 11+)

🔗 https://t.co/9TBjiTIYqM

#Java #JavaEvolved

[Java. Evolved. @javaevolved]

☕ Module import declarations

Import all exported packages of a module with a single declaration.

Many Imports → import module (JDK 25+)

🔗 https://t.co/WMHkuFLsi6

#Java #JavaEvolved

[Java. Evolved. @javaevolved]

☕ Static methods in interfaces

Add static utility methods directly to interfaces instead of separate utility classes.

Utility classes → Interface static methods (JDK 8+)

🔗 https://t.co/zFYMnSW9ZD

#Java #JavaEvolved

[Java. Evolved. @javaevolved]

☕ Pattern matching for instanceof

Combine type check and cast in one step with pattern matching.

instanceof + Cast → Pattern Variable (JDK 16+)

🔗 https://t.co/0lVOGbVf8I

#Java #JavaEvolved

[Java. Evolved. @javaevolved]

☕ Writing files

Write a String to a file with one line.

FileWriter + BufferedWriter → Files.writeString() (JDK 11+)

🔗 https://t.co/IFRm5dEphH

#Java #JavaEvolved

[Java. Evolved. @javaevolved]

☕ Strong random generation

Get the platform's strongest SecureRandom implementation.

new SecureRandom() → getInstanceStrong() (JDK 9+)

🔗 https://t.co/yZeCiSUxLp

#Java #JavaEvolved

[Java. Evolved. @javaevolved]

☕ Unnamed variables with _

Use _ to signal intent when a variable is intentionally unused.

Unused Variable → _ Placeholder (JDK 22+)

🔗 https://t.co/EkEQrKLstk

#Java #JavaEvolved

[Java. Evolved. @javaevolved]

☕ String.repeat()

Repeat a string n times without a loop.

StringBuilder Loop → repeat() (JDK 11+)

🔗 https://t.co/cGCVS317P7

#Java #JavaEvolved

[Java. Evolved. @javaevolved]

☕ Optional.ifPresentOrElse()

Handle both present and empty cases of Optional in one call.

if/else on Optional → ifPresentOrElse() (JDK 9+)

🔗 https://t.co/Xg6M4ppHxo

#Java #JavaEvolved

[Java. Evolved. @javaevolved]

☕ Math.clamp()

Clamp a value between bounds with a single clear call.

Nested min/max → Math.clamp() (JDK 21+)

🔗 https://t.co/LjLrZKb3e4

#Java #JavaEvolved

[Java. Evolved. @javaevolved]

☕ Guarded patterns with when

Add conditions to pattern cases using when guards.

Nested if → when Clause (JDK 21+)

🔗 https://t.co/Km3M4tpLi4

#Java #JavaEvolved

[Java. Evolved. @javaevolved]

@AlinaOnChain hi 👋

[Java. Evolved. @javaevolved]

@xtakip44 just hi 👋

[Java. Evolved. @javaevolved]

java.evolved – Every old Java pattern next to its modern replacement, side by side. https://t.co/aVLfvENqe1