$ java src/Members.java
HELLO!
apple, banana, cherry
{apple=5, banana=6, cherry=6}
2.10
Point[x=3, y=4] is 5.0 from the origin
calls so far: 1

$ java src/WithArgs.java one two
args.length = 2
  arg: one
  arg: two

$ java src/InstanceMainInClass.java
hello from an instance field
this class is InstanceMainInClass, final? false

$ java src/NeedsImport.java     (java.net.http is outside java.base: a normal import fixes it)
default HTTP version: HTTP_2

$ java src/NeedsModuleImport.java     (or import the whole module)
default HTTP version: HTTP_2

$ java multi/App.java   (App.java + Greeter.java in one directory)
Hello, multi-file source launcher (from a second file)