Barchart

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newtechie newtechie is offline Offline
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Barchart

 
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  #1
Aug 20th, 2008
i have a problem in getting the required display in barchart

my intended display is

year91 -------------- 110

but i get a display as

year91 -------------- year91

can anyone please let me know what is wrong in my html file or java code.

Java Syntax (Toggle Plain Text) 
  1. import java.awt.*;
  2. import java.applet.*;
  3. public class BarChart extends Applet
  4. {
  5.     int n =0;
  6.     String label[];
  7.     int value[];
  8.     String EndLabel[];
  9.     @Override
  10.     public void init()
  11.     {
  12.         try
  13.         {
  14.             n= Integer.parseInt(getParameter("columns"));
  15.             label = new String[n];
  16.             value = new int[n];
  17.            EndLabel = new String[n];
  18.  
  19.             label[0] = getParameter("label1");
  20.             label[1] = getParameter("label2");
  21.             label[2] = getParameter("label3");
  22.             label[3] = getParameter("label4");
  23.  
  24.             value[0] = Integer.parseInt(getParameter("c1"));
  25.             value[1] = Integer.parseInt(getParameter("c2"));
  26.             value[2] = Integer.parseInt(getParameter("c3"));
  27.             value[3] = Integer.parseInt(getParameter("c4"));
  28.  
  29.             EndLabel[0] = getParameter("Label1");
  30.             EndLabel[1] = getParameter("Label2");
  31.             EndLabel[2] = getParameter("Label3");
  32.            EndLabel[3] = getParameter("Label4");
  33.         }
  34.         catch(NumberFormatException e)
  35.         {
  36.         }
  37.     }
  38.     @Override
  39.            public void paint(Graphics g)
  40.         {
  41.         for(int i=0;i<n;i++)
  42.         {
  43.             g.setColor(Color.red);
  44.             g.drawString(label[i], 20, i*50+30);
  45.             g.fillRect(60, i*50+10, value[i], 40);
  46.            g.drawString( EndLabel[i],60+value[i]+10, i*50+30);
  47.  
  48.         }
  49.     }
  50. }
  51.  
  52. <HTML>
  53.     <APPLET
  54.      CODE= BarChart.class
  55.      WIDTH=300
  56.      HEIGHT=250>
  57.          <PARAM NAME ="columns" VALUE ="4">
  58.              <PARAM NAME ="c1" VALUE ="110" >
  59.                  <PARAM NAME ="c2" VALUE ="150">
  60.                      <PARAM NAME ="c3" VALUE ="100">
  61.                          <PARAM NAME ="c4" VALUE ="170">
  62.                              <PARAM NAME ="label1" VALUE ="year91">
  63.                                  <PARAM NAME ="label2" VALUE ="year92">
  64.                                      <PARAM NAME ="label3" VALUE ="year93">
  65.                                          <PARAM NAME ="label4" VALUE ="year94">
  66.                                              <PARAM NAME=EndLabel1 VALUE="110">
  67.                                                  <PARAM NAME=EndLabel2 VALUE="150">
  68.                                                      <PARAM NAME=EndLabel3 VALUE="100">
  69.                                                         <PARAM NAME=EndLabel4 VALUE="170"> 
  70.      </APPLET>
  71.  
  72. </HTML>
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Re: Barchart

 
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  #2
Aug 20th, 2008 
            EndLabel[0] = getParameter("Label1");
            EndLabel[1] = getParameter("Label2");
            EndLabel[2] = getParameter("Label3");
           EndLabel[3] = getParameter("Label4");

<PARAM NAME="EndLabel1" VALUE="110">
<PARAM NAME="EndLabel2" VALUE="150">
<PARAM NAME="EndLabel3" VALUE="100">
<PARAM NAME="EndLabel4" VALUE="170">

You have getParameter looking for the parameter that goes with "Label1", etc. rather than "EndLabel1", etc.
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newtechie newtechie is offline Offline
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Re: Barchart

 
0
  #3
Aug 20th, 2008
i changed the code and it works now
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EndLabel[0] = String.valueOf(value[0]);
EndLabel[1] = String.valueOf(value[1]);
EndLabel[2] = String.valueOf(value[2]);
EndLabel[3] = String.valueOf(value[3]);
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