Path: csiph.com!eternal-september.org!reader02.eternal-september.org!.POSTED!not-for-mail
From: Andreas Leitgeb <avl@logic.at>
Newsgroups: comp.lang.java.programmer
Subject: Re: Any way to tell on linux if program is started from a terminal?
Date: Mon, 28 Dec 2020 22:35:12 -0000 (UTC)
Organization: A noiseless patient Spider
Lines: 13
Message-ID: <slrnruknd0.2g1.avl@logic.at>
References: <rsdjk5$200$1@dont-email.me>
Reply-To: avl@logic.at
Injection-Date: Mon, 28 Dec 2020 22:35:12 -0000 (UTC)
Injection-Info: reader02.eternal-september.org; posting-host="9eee68d0b60590c4d76485fba41779ac"; logging-data="23111"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX1/QruZrzspPpaJD60kWKjG+"
User-Agent: slrn/1.0.3 (Linux)
Cancel-Lock: sha1:iWJsmapKO7r1ZovwoTxmK10vyQM=
Xref: csiph.com comp.lang.java.programmer:39652

Knute Johnson <knute2020@585ranch.com> wrote:
> Any way to tell on linux if a program is started from a terminal versus 
> started from clicking on an icon?

Maybe
https://docs.oracle.com/en/java/javase/11/docs/api/java.desktop/java/awt/GraphicsEnvironment.html#isHeadless()

or
https://docs.oracle.com/javase/7/docs/api/java/lang/System.html#console()
(compare result with null)

depending on what you want to get if both console and X11 is available.