Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.java.programmer > #15171

Re: It doesn't like 'super' where ever I put it.

Show key headers only | View raw

bilsch <bilsch01@gmail.com> writes:

> Hello,  below is my program stripped to bare bones. Java says 'super'
> must be first statement in constructor.  I've moved it everywhere
> still no luck.  The program was running yesterday and I can't figure
> what could be wrong. Any suggestions?
>
> The error output is listed below the program
>
> TIA  Bill S.
>
>
> PROGRAM:
>
> import javax.swing.*;
> import java.awt.*;
> import java.util.*;
>
> public class CalcFrame1 extends JFrame{
>
>     public void CalcFrame1() {
>     super("CalcFrame1");
>     //setTitle("CalcFrame1");
>     FlowLayout flo = new FlowLayout();
>     setLayout(flo);
>     setLookAndFeel();
>     //setSize(600,600);
>
>    JButton shf = new JButton("shft");
>    JButton chs = new JButton("chs");
>    add (shf);
>    add (chs);
>
>    pack();
>    setVisible(true);
>     }
> private void setLookAndFeel(){
>         try{
>         UIManager.setLookAndFeel(
>                 "com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel");
>            }
>         catch(Exception exc){
>         // ignore error
>             }
>    }
>
>    public static void main(String[] args){
>        CalcFrame1 ClFr1 = new CalcFrame1();
>    }
> }
>
> ERROR OUTPUT:
> java.lang.VerifyError: Constructor must call super() or this() before
> return in method CalcFrame1.<init>()V at offset 0
> 	at java.lang.Class.getDeclaredMethods0(Native Method)
> 	at java.lang.Class.privateGetDeclaredMethods(Class.java:2442)
> 	at java.lang.Class.getMethod0(Class.java:2685)
> 	at java.lang.Class.getMethod(Class.java:1620)
> 	at sun.launcher.LauncherHelper.getMainMethod(LauncherHelper.java:492)
> 	at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:484)
> Exception in thread "main" Java Result: 1
> BUILD SUCCESSFUL (total time: 2 seconds)

Try changing

    public void CalcFrame1() {

to

    public CalcFrame1() {

-- 
Jim Janney

Back to comp.lang.java.programmer | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

It doesn't like 'super' where ever I put it. bilsch <bilsch01@gmail.com> - 2012-06-10 06:27 -0700
  Re: It doesn't like 'super' where ever I put it. v_borchert@despammed.com (Volker Borchert) - 2012-06-10 13:49 +0000
    Re: It doesn't like 'super' where ever I put it. bilsch <bilsch01@gmail.com> - 2012-06-10 07:08 -0700
      Re: It doesn't like 'super' where ever I put it. Eric Sosman <esosman@ieee-dot-org.invalid> - 2012-06-10 11:34 -0400
        Re: It doesn't like 'super' where ever I put it. bilsch <bilsch01@gmail.com> - 2012-06-10 12:58 -0700
          Re: It doesn't like 'super' where ever I put it. markspace <-@.> - 2012-06-10 13:43 -0700
            Re: It doesn't like 'super' where ever I put it. bilsch <bilsch01@gmail.com> - 2012-06-11 21:01 -0700
      Re: It doesn't like 'super' where ever I put it. v_borchert@despammed.com (Volker Borchert) - 2012-06-10 15:44 +0000
    Re: It doesn't like 'super' where ever I put it. Robert Klemme <shortcutter@googlemail.com> - 2012-06-10 20:39 +0200
      Re: It doesn't like 'super' where ever I put it. "Gavino" <invalid@invalid.invalid> - 2012-06-11 20:13 +0200
        Re: It doesn't like 'super' where ever I put it. Robert Klemme <shortcutter@googlemail.com> - 2012-06-11 22:51 +0200
          Re: It doesn't like 'super' where ever I put it. "Gavino" <invalid@invalid.invalid> - 2012-06-12 00:45 +0200
            Re: It doesn't like 'super' where ever I put it. Martin Gregorie <martin@address-in-sig.invalid> - 2012-06-11 22:53 +0000
              Re: It doesn't like 'super' where ever I put it. Lew <lewbloch@gmail.com> - 2012-06-11 16:42 -0700
            Re: It doesn't like 'super' where ever I put it. Eric Sosman <esosman@ieee-dot-org.invalid> - 2012-06-11 19:53 -0400
              Re: It doesn't like 'super' where ever I put it. Lew <lewbloch@gmail.com> - 2012-06-11 17:38 -0700
                Re: It doesn't like 'super' where ever I put it. "John B. Matthews" <nospam@nospam.invalid> - 2012-06-11 23:14 -0400
                Re: It doesn't like 'super' where ever I put it. Robert Klemme <shortcutter@googlemail.com> - 2012-06-12 18:21 +0200
      Re: It doesn't like 'super' where ever I put it. Robert Klemme <shortcutter@googlemail.com> - 2012-06-11 22:50 +0200
  Re: It doesn't like 'super' where ever I put it. Eric Sosman <esosman@ieee-dot-org.invalid> - 2012-06-10 09:59 -0400
  Re: It doesn't like 'super' where ever I put it. Jim Janney <jjanney@shell.xmission.com> - 2012-06-10 08:02 -0600
    Re: It doesn't like 'super' where ever I put it. bilsch <bilsch01@gmail.com> - 2012-06-10 07:20 -0700
      Re: It doesn't like 'super' where ever I put it. Leif Roar Moldskred <leifm@dimnakorr.com> - 2012-06-10 09:49 -0500
        Re: It doesn't like 'super' where ever I put it. bilsch <bilsch01@gmail.com> - 2012-06-10 13:15 -0700
      Re: It doesn't like 'super' where ever I put it. Jim Janney <jjanney@shell.xmission.com> - 2012-06-10 10:26 -0600
        Re: It doesn't like 'super' where ever I put it. Jim Janney <jjanney@shell.xmission.com> - 2012-06-10 11:24 -0600
        Re: It doesn't like 'super' where ever I put it. Jim Janney <jjanney@shell.xmission.com> - 2012-06-10 11:38 -0600
          Re: It doesn't like 'super' where ever I put it. v_borchert@despammed.com (Volker Borchert) - 2012-06-10 18:17 +0000
            Re: It doesn't like 'super' where ever I put it. Lew <noone@lewscanon.com> - 2012-06-10 12:26 -0700
        Re: It doesn't like 'super' where ever I put it. bilsch <bilsch01@gmail.com> - 2012-06-10 13:17 -0700
  Re: It doesn't like 'super' where ever I put it. Roedy Green <see_website@mindprod.com.invalid> - 2012-06-10 11:54 -0700
    Re: It doesn't like 'super' where ever I put it. bilsch <bilsch01@gmail.com> - 2012-06-10 13:24 -0700
  Re: It doesn't like 'super' where ever I put it. Lew <noone@lewscanon.com> - 2012-06-10 13:56 -0700
    Re: It doesn't like 'super' where ever I put it. bilsch <bilsch01@gmail.com> - 2012-06-11 20:55 -0700
  Re: It doesn't like 'super' where ever I put it. Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2012-06-11 16:41 -0700

csiph-web