Install a
JDK
(e.g., Java 17+ LTS). Verify with
java -version
and
javac -version
.
Choose an IDE:
IntelliJ IDEA
,
Eclipse
, or
VS Code
with Java extensions.
Optional managers:
SDKMAN!
(Linux/macOS),
Homebrew
(macOS),
Scoop/Chocolatey
(Windows).