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Article #313

Exception in thread "main"

#313
From: Gaston Verhulst
Date: Thu, 30 Oct 2008 18:00
37 lines
2124 bytes
Hallo,
Heb een en ander als inleiding over java gelezen en wil dit ook graag 
proberen in Linux.

1ste eenvoudige test lukte:
[gastonv@telenetPC Java-beginners]$ cat jhello.java
class hello {
         public static void main(String args[]){
                 System.out.println("Hello World!");
         }
}
[gastonv@telenetPC Java-beginners]$ javac jhello.java
[gastonv@telenetPC Java-beginners]$ java hello
Hello World!

2de test, uit een cursus, lukt niet:
[gastonv@telenetPC Java-beginners]$ cat Hallo.java
/*
  *     Een eenvoudig programma in Java,
  *         dat "Hallo Wereld" schrijft
  *         */
import java.applet.*;
import java.awt.*;
public class Hallo extends Applet {
     public void paint (Graphics g) {
         g.drawString ("Hallo Wereld",60,30);
     }
}
[gastonv@telenetPC Java-beginners]$ javac Hallo.java
[gastonv@telenetPC Java-beginners]$ java Hallo
Exception in thread "main" java.lang.NoSuchMethodError: main
Error: A JNI error has occurred, please check your installation and try 
again

Wat zou hier fout zijn?
Dank bij voorbaat voor een helpende tip.
Gaston Verhulst.
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