Java
You're viewing a free preview. Sign in free to read every script.
Why this exists Every page after this one assumes you can type java and javac and get a result. This page takes you there from an empty machine, and then shows the first things that go wrong (a missing semicolon, an…
Getting Started with Java: Install a JDK, Compile and Run Your First Program
Everything before line one: install a JDK on Linux, macOS or Windows, verify it, understand JDK versus JRE and the JVM, compile and run a program two ways, look inside a class file, read your first compiler and runtime errors, and try jshell.
Sign in free to read this script, along with the rest of the library.
Sign in free