Adam Bien: "hello, world" Java 25 Script In 4 Lines (opens in new tab)

Java 25 source-file mode turns a single file into an executable command. No compilation, no build tool, no .java extension. Here is how to create a zhello script: Create a file named zhello (no extension) with the shebang #!/usr/bin/env -S java --source 25 Add an instance void main() method that calls IO.println("hello, world") Make it executable: chmod +x zhello Install it system-wide: sudo cp zhello /usr/local/bin/ The entire script: #!/usr/bin/env -S java --source 25 void main() { IO.print...