Re: Exception in thread "main" java.lang.NoClassDefFoundError: Just

From:

"Andrew Thompson" <u32984@uwe>

Newsgroups:

comp.lang.java.programmer

Date:

Thu, 05 Apr 2007 04:27:27 GMT

Message-ID:

<703b4eee2f6eb@uwe>

Lew wrote:

class Just
{

Doesn't the class need to be public?

I watched the discussion about public (or not) classes
and the JLS with interest. AFAIU, normal classes with
main() do not need to be public, OTOH *Applet* classes
must be public..

<sscce>
class DefaultAccessApplet extends
  java.applet.Applet {

  public void init() {
    add( new
      java.awt.Label("Default Access") );
  }
}
</sscce>

[console]
load: DefaultAccessApplet.class is not public or has no public constructor.
java.lang.IllegalAccessException: Class sun.applet.AppletPanel can not access
a
member of class DefaultAccessApplet with modifiers ""
[/console]

I could not say whether that was according to the JLS,
or simply an 'implementation detail' but it explains why
a lot of people are used to seeing 'main()' classes as
needing to be public, as so many (far too many) simple
code examples are written as Applets.

--
Andrew Thompson
http://www.athompson.info/andrew/

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