Sum function not working in Java.
<p>I'm new to Java programming.  I have a project that is supposed to sum a series of inputs and also calculate the average of those numbers.  Right now the Total is coming up as zero no matter what I put in for values.  I'm stuck.  Please help.  Thank you.</p>

<pre><code>   private class InputButtonListener implements ActionListener
   {
          public void actionPerformed(ActionEvent e)
          {  
                 for(int i=0; i&lt;7; i++)
                 {
                       numInput = 0.0;
                       strInput = JOptionPane.showInputDialog(null, "How many hours did you sleep on day " + (i+1));
                       numInput = Double.parseDouble(strInput);
                       numInput +=total;                        
                 }
          }
   }
   private class CalcButtonListener implements ActionListener
   {
          public void actionPerformed(ActionEvent e)
          {
                 JOptionPane.showMessageDialog(null,"The total amount of sleep for the week is " + total + " hours");

                 JOptionPane.showMessageDialog(null,"The average amount of sleep for 7 days is " + avg + " hours");
          }
   }
   public static void main(String[] args)
          {
                 HoursSlept HS = new HoursSlept();
          }
</code></pre>

<p>}</p>
