this post was submitted on 13 Nov 2024
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Anon tries programming in Java (lemmy.world)
submitted 1 day ago by [email protected] to c/[email protected]
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[–] JackbyDev 4 points 7 hours ago (1 children)

This is getting a little better nowadays.

> cat Hello.java
void main() {
    System.out.println("Hello, World!");
}
> java --enable-preview Hello.java
Hello, World!

Things to notice:

  1. No compilation step.
  2. No class declaration.
  3. Main method is not public static
  4. No String[] args.

This still uses preview features though. However, like you demonstrated already, compilation is no longer a required step for simplistic programs like this.

[–] [email protected] 4 points 4 hours ago* (last edited 4 hours ago) (1 children)

Microsoft Java is a one-liner these days.

> cat program.cs
Console.WriteLine("Hello, World!");
> dotnet run
Hello, World!