Groups > alt.folklore.computers > #235454

Re: the history of Java in Android (was Re: What’s Your Least Favourite Programming Language?)

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From	Kragen Javier Sitaker <kragen@canonical.org>
Newsgroups	comp.lang.misc, alt.folklore.computers
Subject	Re: the history of Java in Android (was Re: What’s Your Least Favourite Programming Language?)
Date	Sat, 29 Aug 2026 15:24:51 -0300
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Cross-posted to 2 groups.

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Lawrence D’Oliveiro <ldo@nz.invalid> writes:
> On Fri, 28 Aug 2026 20:27:04 -0300, Kragen Javier Sitaker wrote:
>> Your statement, “So [the Android team] adapted [OpenJDK] instead [when
>> they could have chosen J2ME],” is not true of *either* the language
>> implementation (Dalvik) *or* the library implementation (initially they
>> adapted Harmony, and many years later they adapted OpenJDK).
>
> “Dalvik” was the original bytecode interpreter that Google came up
> with for Android. That was not a “language implementation” for any
> particular “language”.
>
> By “language implementation” I was talking about SunJDK versus
> OpenJDK.

We've agreed that they weren’t using the Sun JDK’s class library;
instead they used Apache Harmony.  We've agreed that they weren’t using
the Sun JDK’s bytecode interpreter; instead they used Dalvik.  I'm
pretty sure they weren’t using the Sun JDK’s compiler from Java source
to Java bytecode, because Dalvik couldn’t interpret the standard
stack-oriented JVM bytecode.  Was there some other part of the Sun JDK
that they *were* using?  If so, what part?  What does the JDK contain,
other than the class library, the virtual machine, and the compiler to
that virtual machine?

Kragen

Thread

the history of Java in Android (was Re: What’s Your Least Favourite Programming Language?) Kragen Javier Sitaker <kragen@canonical.org> - 2026-08-28 20:27 -0300
  Re: the history of Java in Android (was Re: What’s Your Least Favourite Programming Language?) Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-08-29 01:30 +0000
    Re: the history of Java in Android (was Re: What’s Your Least Favourite Programming Language?) Kragen Javier Sitaker <kragen@canonical.org> - 2026-08-29 15:24 -0300
      Re: the history of Java in Android (was Re: What’s Your Least Favourite Programming Language?) Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-08-29 21:57 +0000

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