Boundary on "CASE WHEN" does not what i expect

Hi!
The results of query1 are exactly what i expect but when i compare the counts with CASE WHEN (query2) then i get double records where the count is exactly 8. The value of Result on the second record becomes Null. This seems to me somewhat strange.
Any suggestion?
query1:
SELECT DISTINCT inline_view.u_plot_number AS Research_Group,
       inline_view.external_reference AS Parental_Line,
       inline_view.u_box_code AS Box,
       inline_view.description AS Test,
       COUNT(NVL(inline_view_finalresult.u_overruled_result,inline_view_finalresult.u_calculated_result))
          OVER (PARTITION BY CONCAT(inline_view_finalresult.u_sdg_id,inline_view_finalresult.u_test_template_id)) AS R1,
       COUNT(DISTINCT NVL(inline_view_finalresult.u_overruled_result,inline_view_finalresult.u_calculated_result))
          OVER (PARTITION BY CONCAT(inline_view_finalresult.u_sdg_id,inline_view_finalresult.u_test_template_id)) AS R2
FROM ( SELECT DISTINCT sdg.sdg_id,
              sample.sample_id,
              test_template.test_template_id,
              sample_user.u_plot_number,
              sdg.external_reference,
              sample_user.u_box_code,
              test.description
       FROM sdg,sdg_user,sample,sample_user,aliquot,test,test_template
       WHERE sdg.sdg_id = sdg_user.sdg_id
          AND sdg.sdg_id = sample.sdg_id
          AND sample.sample_id = sample_user.sample_id
          AND aliquot.sample_id = sample.sample_id
          AND test.aliquot_id = aliquot.aliquot_id
          AND test_template.test_template_id = test.test_template_id
          AND sdg.sdg_id >505
     ) inline_view,
     ( SELECT DISTINCT u_finalresult_user.u_sdg_id,
              u_finalresult_user.u_calculated_result,
              u_finalresult_user.u_overruled_result,
              u_finalresult_user.u_sample_id,
              u_finalresult_user.u_test_template_id
       FROM u_finalresult_user
       WHERE u_finalresult_user.u_requested = 'T'
     ) inline_view_finalresult
WHERE inline_view.sample_id = inline_view_finalresult.u_sample_id (+)
   AND inline_view.test_template_id = inline_view_finalresult.u_test_template_id (+)
ORDER BY inline_view.description,inline_view.u_box_codequery2:
SELECT DISTINCT inline_view.u_plot_number AS Research_Group,
       inline_view.external_reference AS Parental_Line,
       inline_view.u_box_code AS Box,
       inline_view.description AS Test,
       CASE WHEN
            COUNT(NVL(inline_view_finalresult.u_overruled_result,inline_view_finalresult.u_calculated_result))
            OVER (PARTITION BY CONCAT(inline_view_finalresult.u_sdg_id,inline_view_finalresult.u_test_template_id)) < 8
         THEN
            'onv'
         ELSE
            CASE WHEN
                   COUNT(DISTINCT(NVL(inline_view_finalresult.u_overruled_result,inline_view_finalresult.u_calculated_result)))
                   OVER (PARTITION BY CONCAT(inline_view_finalresult.u_sdg_id,inline_view_finalresult.u_test_template_id)) > 1
                 THEN
                   'spl'
                 ELSE
                  NVL(inline_view_finalresult.u_overruled_result,inline_view_finalresult.u_calculated_result)
            END
      END AS Result
FROM ( SELECT DISTINCT sdg.sdg_id,
              sample.sample_id,
              test_template.test_template_id,
              sample_user.u_plot_number,
              sdg.external_reference,
              sample_user.u_box_code,
              test.description
       FROM sdg,sdg_user,sample,sample_user,aliquot,test,test_template
       WHERE sdg.sdg_id = sdg_user.sdg_id
          AND sdg.sdg_id = sample.sdg_id
          AND sample.sample_id = sample_user.sample_id
          AND aliquot.sample_id = sample.sample_id
          AND test.aliquot_id = aliquot.aliquot_id
          AND test_template.test_template_id = test.test_template_id
          AND sdg.sdg_id >505
     ) inline_view,
     ( SELECT DISTINCT u_finalresult_user.u_sdg_id,
              u_finalresult_user.u_calculated_result,
              u_finalresult_user.u_overruled_result,
              u_finalresult_user.u_sample_id,
              u_finalresult_user.u_test_template_id
       FROM u_finalresult_user
       WHERE u_finalresult_user.u_requested = 'T'
     ) inline_view_finalresult
WHERE inline_view.sample_id = inline_view_finalresult.u_sample_id (+)
   AND inline_view.test_template_id = inline_view_finalresult.u_test_template_id (+)
ORDER BY inline_view.description,inline_view.u_box_code

NVL(inline_view_finalresult.u_overruled_result,inline_view_finalresult.u_calculated_result)does not return double records without the CASE WHEN (see below) but i don't understand why it comes that when i compares the counts in a CASE WHEN that i get double records where the second record has value Null as Result. Could somebody provide me with a solution?
SELECT DISTINCT inline_view.u_plot_number AS Research_Group,
       inline_view.external_reference AS Parental_Line,
       inline_view.u_box_code AS Box,
       inline_view.description AS Test,
       COUNT(NVL(inline_view_finalresult.u_overruled_result,inline_view_finalresult.u_calculated_result))
          OVER (PARTITION BY CONCAT(inline_view_finalresult.u_sdg_id,inline_view_finalresult.u_test_template_id)) AS R1,
       COUNT(DISTINCT NVL(inline_view_finalresult.u_overruled_result,inline_view_finalresult.u_calculated_result))
          OVER (PARTITION BY CONCAT(inline_view_finalresult.u_sdg_id,inline_view_finalresult.u_test_template_id)) AS R2,
NVL(inline_view_finalresult.u_overruled_result,inline_view_finalresult.u_calculated_result) AS Result
FROM ( SELECT DISTINCT sdg.sdg_id,
              sample.sample_id,
              test_template.test_template_id,
              sample_user.u_plot_number,
              sdg.external_reference,
              sample_user.u_box_code,
              test.description
       FROM sdg,sdg_user,sample,sample_user,aliquot,test,test_template
       WHERE sdg.sdg_id = sdg_user.sdg_id
          AND sdg.sdg_id = sample.sdg_id
          AND sample.sample_id = sample_user.sample_id
          AND aliquot.sample_id = sample.sample_id
          AND test.aliquot_id = aliquot.aliquot_id
          AND test_template.test_template_id = test.test_template_id
          AND sdg.sdg_id >505
     ) inline_view,
     ( SELECT DISTINCT u_finalresult_user.u_sdg_id,
              u_finalresult_user.u_calculated_result,
              u_finalresult_user.u_overruled_result,
              u_finalresult_user.u_sample_id,
              u_finalresult_user.u_test_template_id
       FROM u_finalresult_user
       WHERE u_finalresult_user.u_requested = 'T'
     ) inline_view_finalresult
WHERE inline_view.sample_id = inline_view_finalresult.u_sample_id (+)
   AND inline_view.test_template_id = inline_view_finalresult.u_test_template_id (+)
ORDER BY inline_view.description,inline_view.u_box_code

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    }             //End actionPerformed 
       public static void main(String args[]) throws IOException
               new CalcTest();
    [/Code]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   

    Here is the code again
    import java.io.;
    import javax.swing.*;
    import java.awt.*;
    import java.awt.event.*;
    import java.text.NumberFormat;
    import java.math.*;
    public class CalcTest extends JFrame implements ActionListener, ItemListener
    public JMenuBar createMenuBar()
            JMenuBar mnuBar = new JMenuBar();
            setJMenuBar(mnuBar);
                //Create File & add Exit
            JMenu mnuFile = new JMenu("File", true);
            mnuFile.setMnemonic(KeyEvent.VK_F);
            mnuFile.setDisplayedMnemonicIndex(0);
            mnuBar.add(mnuFile);
            JMenuItem mnuFileExit = new JMenuItem("Exit");
            mnuFileExit.setMnemonic(KeyEvent.VK_F);
            mnuFileExit.setDisplayedMnemonicIndex(1);
            mnuFile.add(mnuFileExit);
            mnuFileExit.setActionCommand("Exit");
            mnuFileExit.addActionListener(this);
            JMenu mnuFunction = new JMenu("Function", true);
            mnuFunction.setMnemonic(KeyEvent.VK_F);
            mnuFunction.setDisplayedMnemonicIndex(0);
            mnuBar.add(mnuFunction);
           JMenuItem mnuFunctionClear = new JMenuItem("Clear");
           mnuFunctionClear.setMnemonic(KeyEvent.VK_F);
           mnuFunctionClear.setDisplayedMnemonicIndex(1);
           mnuFunction.add(mnuFunctionClear);
           mnuFunctionClear.setActionCommand("Clear");
           mnuFunctionClear.addActionListener(this);
            // Fields for Principle 
      JPanel row1 = new JPanel();
      JLabel dollar = new JLabel("How much are you borrowing?"); 
      JTextField money = new JTextField("", 15);
            // Fields for Term and Rate
       JPanel row2 = new JPanel();
       JLabel choice = new JLabel("Select Year & Rate:");
       JCheckBox altchoice = new JCheckBox("Alt. Method");
       JTextField YR = new JTextField("", 4);
       JTextField RT = new JTextField("", 4);
           //Jcombobox R=rate,Y=year
       String[] RY =  {   
            "7 years at 5.35%", "15 years at 5.5 %", "30 years at 5.75%", " "  
      JComboBox mortgage = new JComboBox(RY);
                // Fields for Payment   
        JPanel row3 = new JPanel(); 
        JLabel payment = new JLabel("Your monthly payment will be:");
        JTextField owe = new JTextField(" ", 15); 
              //Scroll Pane and Text Area
       JPanel row4 = new JPanel();
       JLabel amortization = new JLabel("Amortization:");
       JTextArea chart = new JTextArea(" ", 7, 22); 
       JScrollPane scroll = new JScrollPane(chart, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,  
                                               JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);  
        StringBuffer amt = new StringBuffer();
        Container pane = getContentPane(); 
        FlowLayout flow = new FlowLayout(FlowLayout.LEFT);
        JButton Cal = new JButton("Calculate"); 
        NumberFormat currency = NumberFormat.getCurrencyInstance();  
      public CalcTest() 
               // Title and Exit of JFrame  
         super("Mortgage and Amortization Calculator"); 
         setSize(475, 328);  
         setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);  
                //JFrame layout      
         pane.setLayout(flow);     
               //Input output fields added to JFrame  
         row1.add(dollar);    
         row1.add(money);   
         pane.add(row1);    
         mortgage.setSelectedIndex(3);   
         mortgage.addActionListener(this);    
         mortgage.setActionCommand("mortgage");
         row2.add(altchoice);     
         altchoice.addItemListener(this);  
         row2.add(choice);     
         YR.setEditable(false);    
         RT.setEditable(false);     
         row2.add(YR);     
         row2.add(RT);      
         row2.add(mortgage);    
         pane.add(row2);     
         row3.add(payment);   
         row3.add(owe);       
         pane.add(row3);      
         owe.setEditable(false);  
                 //Scroll Pane added to JFrame     
          row4.add(amortization);      
          chart.setEditable(false); 
          row4.add(scroll);   
          pane.add(row4);     
                //Executable Button- Clear,Exit, Calculate 
          JPanel row5 = new JPanel();
          JButton clear = new JButton("Clear");  
          clear.addActionListener(this);     
          row5.add(clear); 
          pane.add(row5); 
          JButton exit = new JButton("Exit"); 
          exit.addActionListener(this);    
          row5.add(exit);      
          Cal.setEnabled(false);  
          Cal.addActionListener(this); 
          row5.add(Cal);       
          pane.add(row5);   
          setContentPane(pane);   
          setVisible(true); 
      }                    //End of constructor   
        private void calculate()
          String loanAmount = money.getText(); 
             if(loanAmount.equals(""))      
               return;      
               double P = Double.parseDouble(loanAmount);     
               int y;     
               double r;    
             if(altchoice.isSelected())   
              if(YR.getText().equals("") || RT.getText().equals(""))  
                 return;        
               y = Integer.parseInt(YR.getText());     
                r = Double.parseDouble(RT.getText());   
               else     
                  int index = mortgage.getSelectedIndex();  
                  if(index == 3)         
                  return;          
                  int[] terms = { 7, 15, 30 };     
                  double[] rates = { 5.5, 5.35, 5.75 }; 
                  y = terms[index];  
                  r = rates[index];  
                  double In = r / (100 * 12.0);  
                  double M = P * (In / (1 - Math.pow(In + 1, -12.0 * y)));
                  owe.setText(currency.format(M));      
                         //Column Titles for Text Area     
           chart.setText("Pmt#\tPrincipal\tInterest\tBalance\n");  
         for (int i = 0; i < y * 12; i++)     
      {            double interestAccrued = P * In;     
                   double principalPaid = M - interestAccrued;          
                   chart.append(i + 1 + "\t" + currency.format(principalPaid)           
                                    + "\t" + currency.format(interestAccrued)     
                                          + "\t" + currency.format(P) + "\n");      
                    P = P + interestAccrued - M;   
         public void itemStateChanged(ItemEvent ie) 
      {        int status = ie.getStateChange();    
           if (status == ItemEvent.SELECTED)     
               mortgage.setEnabled(false);  
               YR.setEditable(true); 
               RT.setEditable(true);   
               Cal.setEnabled(true);  
            else 
            mortgage.setEnabled(true); 
            YR.setEditable(false);    
            RT.setEditable(false);     
           Cal.setEnabled(false);     
      public void actionPerformed(ActionEvent ae)//Calculations and Button executions
          String command = ae.getActionCommand();  
                  // Exit program      
           if (command.equals("Exit"))   
            System.exit(0);
                  // Cal button 
          if (command.equals("Calculate") || command.equals("mortgage")) 
              calculate();      
                 // Clear fields  
          if (command.equals("Clear")) 
             money.setText(null);
             mortgage.setSelectedIndex(3); 
             owe.setText(null);   
             chart.setText(null); 
    }             //End actionPerformed 
       public static void main(String args[]) throws IOException
               new CalcTest();

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    Hi kadir u,
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  • PickList Update - Input values [...] does not match with expected class names

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  • Case when then not working

    In my database, two variable ID and time (varchar2) are there. I want to populate another variable using case when then by putting below conditon to convert like this
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    900487 wrote:
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      7  select 14 id, '4 days' time1 from dual union all
      8  select 15 id, '6 days' time1 from dual union all
      9  select 17 id, '9 days' time1 from dual
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    15               when time1 between 8 and 15 then '8 to 15 days'
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    18     from (
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    20                from t
    21          )
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            23        244 not matching
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            14          4 2 to 7 days
            15          6 2 to 7 days
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    Hi,
    CrazyAnie wrote:
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    ****************** THE FOLLOWING DOES NOT PRODUCE THE RIGHT EFFECTS ******************
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        public TestCoincidingColumns1WithFix() {
            initComponents();
        /** 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.
        @SuppressWarnings("unchecked")
        // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
        private void initComponents() {
            java.awt.GridBagConstraints gridBagConstraints;
            jLabel1 = new javax.swing.JLabel();
            jLabel2 = new javax.swing.JLabel();
            jLabel3 = new javax.swing.JLabel();
            DummyRow0Col0 = new javax.swing.JLabel();
            DummyRow0Col1 = new javax.swing.JLabel();
            DummyRow0Col2 = new javax.swing.JLabel();
            DummyRow0Col3 = new javax.swing.JLabel();
            setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
            getContentPane().setLayout(new java.awt.GridBagLayout());
            jLabel1.setText("LabelRow0Col0Wid2");
            jLabel1.setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(0, 255, 255)));
            gridBagConstraints = new java.awt.GridBagConstraints();
            gridBagConstraints.gridx = 0;
            gridBagConstraints.gridy = 1;
            gridBagConstraints.gridwidth = 2;
            gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
            gridBagConstraints.weightx = 1.0;
            getContentPane().add(jLabel1, gridBagConstraints);
            jLabel2.setText("LabelRow1Col1Wid2");
            jLabel2.setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(255, 0, 0)));
            gridBagConstraints = new java.awt.GridBagConstraints();
            gridBagConstraints.gridx = 1;
            gridBagConstraints.gridy = 2;
            gridBagConstraints.gridwidth = 2;
            gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
            gridBagConstraints.weightx = 1.0;
            getContentPane().add(jLabel2, gridBagConstraints);
            jLabel3.setText("LabelRow2Col2Wid2");
            jLabel3.setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(0, 255, 0)));
            gridBagConstraints = new java.awt.GridBagConstraints();
            gridBagConstraints.gridx = 2;
            gridBagConstraints.gridy = 3;
            gridBagConstraints.gridwidth = 2;
            gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
            gridBagConstraints.weightx = 1.0;
            getContentPane().add(jLabel3, gridBagConstraints);
            gridBagConstraints = new java.awt.GridBagConstraints();
            gridBagConstraints.gridx = 0;
            gridBagConstraints.gridy = 0;
            gridBagConstraints.weightx = 1.0;
            getContentPane().add(DummyRow0Col0, gridBagConstraints);
            gridBagConstraints = new java.awt.GridBagConstraints();
            gridBagConstraints.gridx = 1;
            gridBagConstraints.gridy = 0;
            gridBagConstraints.weightx = 1.0;
            getContentPane().add(DummyRow0Col1, gridBagConstraints);
            gridBagConstraints = new java.awt.GridBagConstraints();
            gridBagConstraints.gridx = 2;
            gridBagConstraints.gridy = 0;
            gridBagConstraints.weightx = 1.0;
            getContentPane().add(DummyRow0Col2, gridBagConstraints);
            gridBagConstraints = new java.awt.GridBagConstraints();
            gridBagConstraints.gridx = 3;
            gridBagConstraints.gridy = 0;
            gridBagConstraints.weightx = 1.0;
            getContentPane().add(DummyRow0Col3, gridBagConstraints);
            pack();
        }// </editor-fold>                        
        * @param args the command line arguments
        public static void main(String args[]) {
            java.awt.EventQueue.invokeLater(new Runnable() {
                public void run() {
                    new TestCoincidingColumns1WithFix().setVisible(true);
        // Variables declaration - do not modify                     
        private javax.swing.JLabel DummyRow0Col0;
        private javax.swing.JLabel DummyRow0Col1;
        private javax.swing.JLabel DummyRow0Col2;
        private javax.swing.JLabel DummyRow0Col3;
        private javax.swing.JLabel jLabel1;
        private javax.swing.JLabel jLabel2;
        private javax.swing.JLabel jLabel3;
        // End of variables declaration                   
    }

    I think I figured out the general reason for the problem based on a quick trace through of the GridBadLayout code in a simple example, and I wanted to share my findings in case they may be useful to anyone else. I felt there were some concepts gleaned from the source code that don't appear reinforced with documentation or, more importantly, in tutorials or books I checked. That's why I wanted to share my findings with this simple yet perplexing example.
    This example is very much like the one in my original post except it is more simple and only uses two JLabels.
    I created a grid with the following settings:
    JLabel1,gridx=0,gridy=0,gridwidth=2,weightx=1.0
    JLabel2,gridx=1,gridy=1,gridwidth=2,weightx=1.0Using the character '1' for JLabel1, and the character '2' for JLabel2, and 'x' for an "empty" grid cell, the above gives me the following simple conceptual layout:
    11x
    x22But the 'x' cell columns don't receive any weight, so things actually appear as follows:
    11
    22Internally, GridBagLayout (GBL), is really producing the following:
    11x
    x22But since the 'x' locations take no weight, they therefore get no size, so both JLabels appear as though they are in the first and only column.
    From what I can see, it doesn't really matter what I do, I'll never be able to produce the following effect with just two JLabels:
    11x
    x22I cannot do the above with just two JLabel components and a GridBagLayout. The reason is that the GridBagLayout, while it does define a "grid" of rows and columns, the grid is not a grid that actually relates to what is displayed. It's really a grid that defines what I'll refer to as "weight collisions" or "weight pools." If two components share, say, a grid column, their weights will combine with respect to that column. But the total size of the grid doesn't play a role in enforcing that some sort of grid display is maintained. The grid can possibly do that, but it would probably be safer to view that result as a side-effect produced by using the "weight pools" created by the grid itself.
    In the above simple example, JLabel1 ends up giving gridx 1 (0 being first) its full weight of 1.0. The gridx 0 column receive zero weight from JLabel1. What happens is the code in GridBagLayout sees that there are no presently assigned weights to column 0 and it simply assigns all remaining unassigned weight of JLabel1 to JLabel1's last, right-most in this case, gridx column. This means that gridx 1 gets the full 1.0.
    By contrast, though, when processing JLabel2, the GridBagLayout sees the previously assigned 1.0 to gridx 1 (JLabel1's right-most grid column) and it ends up assigning all of JLabel2's weight to that same grid location, gridx 1. In this case, even though JLabel2 supposedly spans through to gridx 2, the actual gridx 2 column gets 0 weight from JLabel2 and therefore gets no width.
    The result is that both JLabel1 and JLabel2 give 100% of their weight to gridx column 1 (what I called above a "weight pool" rather than a grid location), and both gridx 0 and gridx 2 receive 0 weight and I'm guessing appear without any size. What's odd about this is that even though JLabel1 starts at gridx=0, it really doesn't draw itself anywhere but starting at gridx=1. Likewise, even though JLabel2 draws itself supposedly from gridx=1 through to gridx=2, it doesn't really go into gridx=2 because gridx=2 doesn't get any width.
    In fact, given the code in GridBagLayout, it doesn't matter how much weight I give to either JLabel, all 100% of the weight will end up in gridx 1, the "center" grid location. The only way to get columnar distribution is to create other components to force the GridBagLayout to see individual columns which match the "grid." When I do this, the columns allow me to create the JLabels in a fashion where they intent/stagger, where a JLabel can start at a "column" location that is in the middle of another JLabel.
    Given this, I've come to the conclusion that it's not worthwhile to look at the GBL "grid" as a grid that propagates grid-like visual locations. It's more like the grid exists during the computation of weights which end up determining the true columns and rows that will visually exist, which may well not be anything like the grid locations one might visualize when looking at the constraints used.
    I think it's unfortunate that many examples and tutorials don't reinforce this concept with simple examples that help one grasp this easily. Most examples I see actually can fool a user into thinking a grid is a true grid in that positions represent visual locations, or that a control spanning into a grid column means that weight will be (at least) partially distributed there.
    You very often won't see the problem I'm describing above when you have dialogbox-like alignment of components which most tutorials and examples utilize. For example, if I take the same example as above, but intent JLabel so that it's gridx is 2, not 1, then both JLabels will not be sharing a single grid column so their weights won't collide. In such a case, one might be misled into thinking that a GridBagLayout's grid is truly providing row/col locations when it's not really doing that. Instead, in this latter case, one is really gaining that effect because certain unintuitive weight collisions. which would produce unexpected results, are being avoided.
    I thought weightx values would give a weight equally to all gridx columns that a component spans but that doesn't seem to be the case here. In fact, it's not even a components first column in my simple example above. GBL causes JLabel1 to given all its weight to gridx=1 (and nothing to gridx=0) while GBL causes JLabel2 to give all its weight to gridx=1 (and nothing to gridx=2). In one case, JLabel1, all weight goes to its right-most spanned-to column, while with JLabel2, it goes to JLabel2's entire first gridx location.
    I guess this is what makes GridBagLayout (GBL) unintuitive. But I don't think it's so much unintuitive as it is probably not well documented. When you look at the source code, it explains stuff which should be in the docs. In fact, not one single book I saw gave any help in solving this problem. I'm guessing this is largely because folks use GBL through trial and error until they get what they want, and perhaps they don't often need to indent halfway as I'm trying to do with GBL in the above example. If a lot of components are aligned, the results are not as unexpected. I'd say, though, that even in those not-so-confusing cases, GBL can troublesome without knowing its grid is all about a grid of weight pools which may or may not produce a visual grid depending on all components' constraint settings.

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