Drawing pie chart

Question

import java.applet.*;
import java.text.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.Graphics;
public class x2 extends Applet implements ActionListener {
     private Button draw,draw2,reset;
     private TextField thigh,tmedium,tlow,tno;
     private Label banner,l1, l2, l3, l4;
     double rhigh,rmedium,rlow,rno;
     double high, medium, low, no, total, high2=0, medium2=0, low2=0, no2=0,low3=0,no3=0;
     String something="";
     public void paint(Graphics g){
     setBackground(Color.white);
     if(something=="pie"){
          try{
rhigh=Double.parseDouble(thigh.getText());
rmedium=Double.parseDouble(tmedium.getText());
               rlow=Double.parseDouble(tlow.getText());
               rno=Double.parseDouble(tno.getText());
if(rhigh<0||rmedium<0||rlow<0||no<0){
     throw new NumberFormatException();
          total=rhigh+rmedium+rlow+rno;
     high=(rhigh/total)*100;
     medium=(rmedium/total)*100;
     low=(rlow/total)*100;
     no=(rno/total)*100;
     high2=high*360/100;
          medium2=medium*360/100;
          low2=low*360/100;
          no2=no*360/100;     
          low3=high2+medium2;
          no3=low3+low2;
          DecimalFormat F=new DecimalFormat("###.000");
g.setColor(Color.black);
g.drawString("THE INVESTMENT ARE:",250,100);
g.drawString("Pie Chart",450,100);
g.setColor(Color.red);
g.drawString(F.format(high)+" "+"% High Risk",250,140);
g.setColor(Color.blue);
g.drawString(F.format(medium)+" "+"%High Risk",250,180);
g.setColor(Color.green);
g.drawString(F.format(low)+" "+"% Low Risk",250,220);
g.setColor(Color.pink);
g.drawString(F.format(no)+" "+"% No Risk",250,260);
g.setColor(Color.red);
g.fillArc(500,80,200,200,0,360-(int)(medium2+low2+no2));
g.setColor(Color.blue);
g.fillArc(500,80,200,200,(int)high2,360-(int)(high2+low2+no2));
g.setColor(Color.green);
g.fillArc(500,80,200,200,(int)low3,360-(int)(high2+medium2+no2));
g.setColor(Color.pink);
g.fillArc(500,80,200,200,(int)no3,360-(int)(high2+medium2+low2));
g.setColor(Color.red);
g.fillRect(450,300,60,30);
g.setColor(Color.blue);
g.fillRect(450,330,60,30);
g.setColor(Color.green);
g.fillRect(450,360,60,30);
g.setColor(Color.pink);
g.fillRect(450,390,60,30);
g.setColor(Color.red);
g.drawString("High Risk Investment",520,320);
g.setColor(Color.blue);
g.drawString("Medium Risk Investment",520,350);
g.setColor(Color.green);
g.drawString("Low Risk Investment",520,380);
g.setColor(Color.pink);
g.drawString("No Risk Investment",520,410);
     catch(NumberFormatException e){
g.drawString("Invalid value click the reset button and reenter your value",300,200);
          else if(something=="bar") {
          try{
rhigh=Double.parseDouble(thigh.getText());
rmedium=Double.parseDouble(tmedium.getText());
rlow=Double.parseDouble(tlow.getText());
rno=Double.parseDouble(tno.getText());
if(rhigh<0||rmedium<0||rlow<0||no<0){
     throw new NumberFormatException();
     total=rhigh+rmedium+rlow+rno;
     high=(rhigh/total)*100;
     medium=(rmedium/total)*100;
     low=(rlow/total)*100;
     no=(rno/total)*100;
DecimalFormat F=new DecimalFormat("###.000");
g.setColor(Color.black);
g.drawString("THE INVESTMENT ARE:",250,100);
g.drawString("Bar Chart",530,100);
g.setColor(Color.red);
g.drawString(F.format(high)+" "+"% High Risk",250,140);
g.setColor(Color.blue);
g.drawString(F.format(medium)+" "+"% High Risk",250,180);
g.setColor(Color.green);
g.drawString(F.format(low)+" "+"% Low Risk",250,220);
g.setColor(Color.pink);
g.drawString(F.format(no)+" "+"% No Risk",250,260);
g.setColor(Color.red);
g.fillRect(480,250-(int)high,40,(int)high);
g.setColor(Color.blue);
g.fillRect(530,250-(int)medium,40,(int)medium);
g.setColor(Color.green);
g.fillRect(580,250-(int)low,40,(int)low);
g.setColor(Color.pink);
g.fillRect(630,250-(int)no,40,(int)no);
g.setColor(Color.black);
g.drawLine(450,250,700,250);
g.drawLine(450,130,450,250);
g.drawLine(445,150,450,150);
g.drawString("Hight",485,265);
g.drawString("Medium",535,265);
g.drawString("Low",585,265);
g.drawString("No",635,265);
g.drawString("Percentage%",425,125);
g.drawString("Risks",710,250);
g.drawString("100",420,150);
g.setColor(Color.red);
g.fillRect(450,300,60,30);
g.setColor(Color.blue);
g.fillRect(450,330,60,30);
g.setColor(Color.green);
g.fillRect(450,360,60,30);
g.setColor(Color.pink);
g.fillRect(450,390,60,30);
g.setColor(Color.red);
g.drawString("High Risk Investment",520,320);
g.setColor(Color.blue);
g.drawString("Medium Risk Investment",520,350);
g.setColor(Color.green);
g.drawString("Low Risk Investment",520,380);
g.setColor(Color.pink);
g.drawString("No Risk Investment",520,410);     
     catch(NumberFormatException e){
g.drawString("Invalid value click the reset button and reenter your value",300,200);
     public void init(){
     setLayout (null);
     draw=new Button("Draw pie chart");
     draw2=new Button("Draw bar chart");
     reset=new Button("Reset");
     thigh=new TextField("",10);
     tmedium=new TextField("",10);
     tlow=new TextField("",10);
     tno=new TextField("",10);
     l1=new Label("High Risk :$");
     l2=new Label("Medium Risk:$");
     l3=new Label("Low Risk :$");
     l4=new Label("No Risk :$");
     banner=new Label("Welcome");
     banner.setBounds(new Rectangle(200,50,100,20));
     add(banner);
l1.setBounds(new Rectangle(20,100,100,20));
add(l1);
thigh.setBounds(new Rectangle(120,100,100,20));
add(thigh);
l2.setBounds(new Rectangle(20,140,100,20));
add(l2);
tmedium.setBounds(new Rectangle(120,140,100,20));
add(tmedium);
l3.setBounds(new Rectangle(20,180,100,20));
add(l3);
tlow.setBounds(new Rectangle(120,180,100,20));
add(tlow);
l4.setBounds(new Rectangle(20,220,100,20));
add(l4);
tno.setBounds(new Rectangle(120,220,100,20));
add(tno);
draw.setBounds(new Rectangle(20,260,100,20));
add(draw);
draw2.setBounds(new Rectangle(120,260,100,20));
add(draw2);
reset.setBounds(new Rectangle(20,290,100,20));
add(reset);
draw.addActionListener(this);
draw2.addActionListener(this);
reset.addActionListener(this);
     public void actionPerformed(ActionEvent e){
          if(e.getSource()==draw) {
               something="pie";
               repaint();
          }else if(e.getSource()==draw2) {
               something="bar";
               repaint();
          if(e.getSource()==reset) {
               something="";
               thigh.setText("");
               tmedium.setText("");
               tlow.setText("");
               tno.setText("");
               repaint();

Answer 1

import java.applet.*;
import java.text.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.Graphics;
public class x2 extends Applet implements ActionListener
     private Button draw,draw2,reset;
     private TextField thigh,tmedium,tlow,tno;
     private Label banner,l1, l2, l3, l4;
     double  rhigh,rmedium,rlow,rno;
     double  high, medium, low, no, total, high2=0, medium2=0, low2=0, no2=0,low3=0,no3=0;
     String something="";
     Double  d1;
public void paint(Graphics g)
     setBackground(Color.white);
     if(something=="pie")
          try
//          rhigh=Double.parseDouble(thigh.getText());
//          rmedium=Double.parseDouble(tmedium.getText());
//          rlow=Double.parseDouble(tlow.getText());
//          rno=Double.parseDouble(tno.getText());
               rhigh   = get_double(thigh.getText());
               rmedium = get_double(tmedium.getText());
               rlow    = get_double(tlow.getText());
               rno     = get_double(tno.getText());
               if(rhigh<0||rmedium<0||rlow<0||no<0)
                    throw new NumberFormatException();
               total=rhigh+rmedium+rlow+rno;
               high=(rhigh/total)*100;
               medium=(rmedium/total)*100;
               low=(rlow/total)*100;
               no=(rno/total)*100;
               high2=high*360/100;
               medium2=medium*360/100;
               low2=low*360/100;
               no2=no*360/100;
               low3=high2+medium2;
               no3=low3+low2;
               DecimalFormat F=new DecimalFormat("###.000");
               g.setColor(Color.black);
               g.drawString("THE INVESTMENT ARE:",250,100);
               g.drawString("Pie Chart",450,100);
               g.setColor(Color.red);
               g.drawString(F.format(high)+" "+"% High Risk",250,140);
               g.setColor(Color.blue);
               g.drawString(F.format(medium)+" "+"%High Risk",250,180);
               g.setColor(Color.green);
               g.drawString(F.format(low)+" "+"% Low Risk",250,220);
               g.setColor(Color.pink);
               g.drawString(F.format(no)+" "+"% No Risk",250,260);
               g.setColor(Color.red);
               g.fillArc(500,80,200,200,0,360-(int)(medium2+low2+no2));
               g.setColor(Color.blue);
               g.fillArc(500,80,200,200,(int)high2,360-(int)(high2+low2+no2));
               g.setColor(Color.green);
               g.fillArc(500,80,200,200,(int)low3,360-(int)(high2+medium2+no2));
               g.setColor(Color.pink);
               g.fillArc(500,80,200,200,(int)no3,360-(int)(high2+medium2+low2));
               g.setColor(Color.red);
               g.fillRect(450,300,60,30);
               g.setColor(Color.blue);
               g.fillRect(450,330,60,30);
               g.setColor(Color.green);
               g.fillRect(450,360,60,30);
               g.setColor(Color.pink);
               g.fillRect(450,390,60,30);
               g.setColor(Color.red);
               g.drawString("High Risk Investment",520,320);
               g.setColor(Color.blue);
               g.drawString("Medium Risk Investment",520,350);
               g.setColor(Color.green);
               g.drawString("Low Risk Investment",520,380);
               g.setColor(Color.pink);
               g.drawString("No Risk Investment",520,410);
          catch(NumberFormatException e)
               g.drawString("Invalid value click the reset button and reenter your value",300,200);
     if(something=="bar")
          try
//     rhigh=Double.parseDouble(thigh.getText());
//     rmedium=Double.parseDouble(tmedium.getText());
//  rlow=Double.parseDouble(tlow.getText());
//  rno=Double.parseDouble(tno.getText());
               rhigh   = get_double(thigh.getText());
               rmedium = get_double(tmedium.getText());
               rlow    = get_double(tlow.getText());
               rno     = get_double(tno.getText());
               if(rhigh<0||rmedium<0||rlow<0||no<0)
                    throw new NumberFormatException();
               total=rhigh+rmedium+rlow+rno;
               high=(rhigh/total)*100;
               medium=(rmedium/total)*100;
               low=(rlow/total)*100;
               no=(rno/total)*100;
               DecimalFormat F=new DecimalFormat("###.000");
               g.setColor(Color.black);
               g.drawString("THE INVESTMENT ARE:",250,100);
               g.drawString("Bar Chart",530,100);
               g.setColor(Color.red);
               g.drawString(F.format(high)+" "+"% High Risk",250,140);
               g.setColor(Color.blue);
               g.drawString(F.format(medium)+" "+"% High Risk",250,180);
               g.setColor(Color.green);
               g.drawString(F.format(low)+" "+"% Low Risk",250,220);
               g.setColor(Color.pink);
               g.drawString(F.format(no)+" "+"% No Risk",250,260);
               g.setColor(Color.red);
               g.fillRect(480,250-(int)high,40,(int)high);
               g.setColor(Color.blue);
               g.fillRect(530,250-(int)medium,40,(int)medium);
               g.setColor(Color.green);
               g.fillRect(580,250-(int)low,40,(int)low);
               g.setColor(Color.pink);
               g.fillRect(630,250-(int)no,40,(int)no);
               g.setColor(Color.black);
               g.drawLine(450,250,700,250);
               g.drawLine(450,130,450,250);
               g.drawLine(445,150,450,150);
               g.drawString("Hight",485,265);
               g.drawString("Medium",535,265);
               g.drawString("Low",585,265);
               g.drawString("No",635,265);
               g.drawString("Percentage%",425,125);
               g.drawString("Risks",710,250);
               g.drawString("100",420,150);
               g.setColor(Color.red);
               g.fillRect(450,300,60,30);
               g.setColor(Color.blue);
               g.fillRect(450,330,60,30);
               g.setColor(Color.green);
               g.fillRect(450,360,60,30);
               g.setColor(Color.pink);
               g.fillRect(450,390,60,30);
               g.setColor(Color.red);
               g.drawString("High Risk Investment",520,320);
               g.setColor(Color.blue);
               g.drawString("Medium Risk Investment",520,350);
               g.setColor(Color.green);
               g.drawString("Low Risk Investment",520,380);
               g.setColor(Color.pink);
               g.drawString("No Risk Investment",520,410);
          catch(NumberFormatException e)
               g.drawString("Invalid value click the reset button and reenter your value",300,200);
private double get_double(String s)
     try
          d1 = d1.valueOf(s);
          return(d1.doubleValue());
     catch (NumberFormatException nfe)
          return(-1);
public void init()
     setLayout (null);
     draw    = new Button("Draw pie chart");
     draw2   = new Button("Draw bar chart");
     reset   = new Button("Reset");
     thigh   = new TextField("",10);
     tmedium = new TextField("",10);
     tlow    = new TextField("",10);
     tno     = new TextField("",10);
     l1      = new Label("High Risk :$");
     l2      = new Label("Medium Risk:$");
     l3      = new Label("Low Risk :$");
     l4      = new Label("No Risk :$");
     banner = new Label("Welcome");
     banner.setBounds(200,50,100,20);
     add(banner);
     l1.setBounds(20,100,100,20);
     add(l1);
     thigh.setBounds(120,100,100,20);
     add(thigh);
     l2.setBounds(20,140,100,20);
     add(l2);
     tmedium.setBounds(120,140,100,20);
     add(tmedium);
     l3.setBounds(20,180,100,20);
     add(l3);
     tlow.setBounds(120,180,100,20);
     add(tlow);
     l4.setBounds(20,220,100,20);
     add(l4);
     tno.setBounds(120,220,100,20);
     add(tno);
     draw.setBounds(20,260,100,20);
     add(draw);
     draw2.setBounds(120,260,100,20);
     add(draw2);
     reset.setBounds(20,290,100,20);
     add(reset);
     draw.addActionListener(this);
     draw2.addActionListener(this);
     reset.addActionListener(this);
public void actionPerformed(ActionEvent e)
     if(e.getSource()==draw)
          something="pie";
     if(e.getSource()==draw2)
          something="bar";
     if(e.getSource()==reset)
          something="";
          thigh.setText("");
          tmedium.setText("");
          tlow.setText("");
          tno.setText("");
     repaint();
Noah