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Thread: Pls Help me. i have error "CANNOT FIND SYMBOL"in java.THANKS A LOTzzzz in Advance

  1. #1
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    Default Pls Help me. i have error "CANNOT FIND SYMBOL"in java.THANKS A LOTzzzz in Advance

    coding:
    import java.io.*;
    public class DHMain extends javax.swing.JFrame
    {    
        /** Creates new form DHMain */
     
    	public DHMain() 
       {
            initComponents();
            //jDesktopPane1.add( new DHFrame());
            java.awt.Dimension dim = java.awt.Toolkit.getDefaultToolkit().getScreenSize();
            setSize(610,455);
            setResizable(false);
        } 
     
        /** This method is called from within the constructor to     * initialize the form.
         * WARNING: Do NOT modify this code. The content of this method is
         * always regenerated by the Form Editor.
         */
     
        private void initComponents() 
         {
    	//GEN-BEGIN:initComponents
     
    	jdp = new javax.swing.JDesktopPane();
            jMenuBar1 = new javax.swing.JMenuBar();
            fileMenu = new javax.swing.JMenu();
    	fileMenu1 = new javax.swing.JMenu();
            embedMenu = new javax.swing.JMenuItem();
            extractmenu = new javax.swing.JMenuItem();
            exitmenu = new javax.swing.JMenuItem();
    	aboutMenu = new javax.swing.JMenuItem();
            piclabel=new javax.swing.JLabel(new javax.swing.ImageIcon("new2.jpg"));
    	piclabel.setBounds(0,0,600,400);
    	add(piclabel);
    	setTitle("IMAGE-Stego");
            addWindowListener(new java.awt.event.WindowAdapter() 
    	{
                public void windowClosing(java.awt.event.WindowEvent evt) {
                    exitForm(evt);
                }
            });
            getContentPane().add(jdp, java.awt.BorderLayout.CENTER);
     
            fileMenu.setMnemonic('F');
            fileMenu.setText("File");
    	fileMenu1.setMnemonic('h');
    	fileMenu1.setText("Help");
            embedMenu.setMnemonic('m');
            embedMenu.setText("Embed");
            embedMenu.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    embedMenuActionPerformed(evt);
                }
            });
            fileMenu.add(embedMenu);
            extractmenu.setMnemonic('t');
            extractmenu.setText("Extract");
            extractmenu.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    extractmenuActionPerformed(evt);
                }
            });
     
            fileMenu.add(extractmenu);
            exitmenu.setMnemonic('x');
            exitmenu.setText("Exit");
            exitmenu.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                exitmenuActionPerformed(evt);
                }
            });
    	fileMenu1.add(aboutMenu);
            aboutMenu.setMnemonic('a');
            aboutMenu.setText("About");
            aboutMenu.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                aboutMenuActionPerformed(evt);
                }
            });
            fileMenu.add(exitmenu);
            fileMenu1.add(aboutMenu);
    	jMenuBar1.add(fileMenu);
    	jMenuBar1.add(fileMenu1);
     
            setJMenuBar(jMenuBar1);
            pack();
        }	
     
     
      private void exitmenuActionPerformed(java.awt.event.ActionEvent evt) 
       {
     
    	  System.exit(0);
        }
     
        private void extractmenuActionPerformed(java.awt.event.ActionEvent evt) 
      {    
            piclabel.setVisible(false);
            WizardFrame wf = new ExtractAction(this).getWizardFrame();
           jdp.add(wf);
         wf.moveToFront();
        }
        private void embedMenuActionPerformed(java.awt.event.ActionEvent evt) 
      {
     
         System.out.println("Embed Action Selected..");
     
    	piclabel.setVisible(false);
            WizardFrame wf = new EmbedAction(this).getWizardFrame();
            jdp.add(wf);
            wf.moveToFront();
        }
     
        private void aboutMenuActionPerformed(java.awt.event.ActionEvent evt) 
      {
      javax.swing.JOptionPane.showMessageDialog(this,"TEXT HIDING IN IMAGE USING STEGNOGRAPHY\n\n"+"Created by : IT","About",javax.swing.JOptionPane.PLAIN_MESSAGE); 
        }	
        private void exitForm(java.awt.event.WindowEvent evt) {
     
            System.exit(0);
     
        }
     
          public static void main(String args[])
    	 {
               new DHMain().show();
                }
     
        // Variables declaration - do not modify//GEN-BEGIN:variables
        private javax.swing.JMenuItem exitmenu;
        private javax.swing.JMenu fileMenu;
        private javax.swing.JMenu fileMenu1;
        private javax.swing.JDesktopPane jdp;
        private javax.swing.JMenuItem extractmenu;
        private javax.swing.JMenuItem embedMenu;
        private javax.swing.JMenuItem aboutMenu;
        private javax.swing.JMenuBar jMenuBar1;
        public javax.swing.JLabel piclabel;
        // End of variables declaration//GEN-END:variables
     
    }
    ERRORS:
    C:\JavaPrograms>javac DHMain.java
    DHMain.java:99: error: cannot find symbol
    WizardFrame wf = new ExtractAction(this).getWizardFrame();
    ^
    symbol: class WizardFrame
    location: class DHMain
    DHMain.java:99: error: cannot find symbol
    WizardFrame wf = new ExtractAction(this).getWizardFrame();
    ^
    symbol: class ExtractAction
    location: class DHMain
    DHMain.java:109: error: cannot find symbol
    WizardFrame wf = new EmbedAction(this).getWizardFrame();
    ^
    symbol: class WizardFrame
    location: class DHMain
    DHMain.java:109: error: cannot find symbol
    WizardFrame wf = new EmbedAction(this).getWizardFrame();
    ^
    symbol: class EmbedAction
    location: class DHMain
    Note: DHMain.java uses or overrides a deprecated API.
    Note: Recompile with -Xlint:deprecation for details.
    4 errors
    Last edited by Norm; January 19th, 2013 at 07:08 AM. Reason: fixed code tags


  2. #2
    Super Moderator Norm's Avatar
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    Default Re: Pls Help me. i have error "CANNOT FIND SYMBOL"in java.THANKS A LOTzzzz in Advance

    cannot find symbol WizardFrame
    Where is WizardFrame defined? The compiler can not find its definition.
    If you don't understand my answer, don't ignore it, ask a question.

  3. #3
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    Default Re: Pls Help me. i have error "CANNOT FIND SYMBOL"in java.THANKS A LOTzzzz in Advance

    Quote Originally Posted by Norm View Post
    Where is WizardFrame defined? The compiler can not find its definition.
    Where i have to define WizardFrame and How?
    Thanks

  4. #4
    Super Moderator Norm's Avatar
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    Default Re: Pls Help me. i have error "CANNOT FIND SYMBOL"in java.THANKS A LOTzzzz in Advance

    What is that class used for? Why is it used in the code? Is it defined in some package that you need to import?
    If you don't understand my answer, don't ignore it, ask a question.

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