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An applet program to display barchart of given data

Posted By: Easy Tutor     Category: Java     Views: 41585

Write an applet program to display barchart of given data.

Code for An applet program to display barchart of given data in Java

/* <applet code="exBarChart" height=300 width=350>   <param name ="totcol" value="4">   <param name = "c1"  value = "110">   <param name = "c2"  value = "150">   <param name = "c3"  value = "100">   <param name = "c4"  value = "170">   <param name = "lbl1"  value = "1991">   <param name = "lbl2"  value = "1992">   <param name = "lbl3"  value = "1993">   <param name = "lbl4"  value = "1994">   </applet> */

import java.awt.*;
import java.applet.*;

   publicclass exBarChart extends Applet
   {
                  int n=0;
                  String label[];
                  intvalue[];

          publicvoid init(){        
                  try{
                        n = Integer.parseInt(getParameter("totcol"));
                        label = new String[n];
                        value = newint[n];

                  label[0] = getParameter("lbl1");
                  label[1] = getParameter("lbl2");
                  label[2] = getParameter("lbl3");
                  label[3] = getParameter("lbl4");

                  value[0] = Integer.parseInt(getParameter("c1"));
                  value[1] = Integer.parseInt(getParameter("c2"));
                  value[2] = Integer.parseInt(getParameter("c3"));
                  value[3] = Integer.parseInt(getParameter("c4"));
                  }  catch(Exception e) {}
           }

       
          publicvoid paint(Graphics g){
                for (int i=0;i<n ;i++ )
                {
                      g.setColor(Color.red);
                      g.drawString(label[i],20,(i*50)+30);
                      g.setColor(Color.blue);
                      g.fillRect(50,(i*50)+10,value[i],40);
                      g.drawString("    " +value[i],value[i]+50,(i*50)+30);
                }
           }     
                
   }
  
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Easy Tutor
Easy Tutor author of An applet program to display barchart of given data is from United States. Easy Tutor says

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