[5125] in java-interest
Compiler warning errors
daemon@ATHENA.MIT.EDU (kkobashi@ix13.ix.netcom.com)
Mon Jan 29 19:30:55 1996
From: kkobashi@ix13.ix.netcom.com
Date: Mon, 29 Jan 1996 01:24:50 -0800
To: java-interest@java.Eng.Sun.COM
I have attempted to build some of the demo applications on the
1.0 JDK release. I keep getting the following warning (for example)
compiling the blink example:
blink.java:13: Warning: Public class Blink must be defined in a file called
"Blink.java".
Also, when tryiing to compile a simple hello world example, the source does
compile but I don't get any output:
import java.applet.*;
import java.awt.*;
class HelloWorld extends Applet
{
public void init()
{
resize(150,25);
}
public void paint(Graphics g)
{
g.drawString("Hello, World!", 50, 25);
}
}
I get the run-time messages:
d:\java\dev\hello> appletviewer example1.html
thread applet-HelloWorld.class find HelloWorld
load: HelloWorld is not public or has no public constructor
java.lang.IllegalAccessException: HelloWorld
at sun.applet.AppletPanel.run(AppletPanel.java:200)
at java.lang.Thread.run(Thread.java:289)
java.lang.NullPointerException
at sun.applet.AppletPanel.run(AppletPanel.java:229)
at java.lang.Thread.run(Thread.java:289)
When I do put in the public keyword before the class keyword above,
I get the same compiler error as the blink demo example.
Is my environment setup incorrectly?
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