Need a Big Help please on how to use getAppletContext() method

Question

I have three classes, first one extends JApplet, second class I use two create my popup menus, third class I use for my main actions to be done. I need when a popup menu is clicked to load a page, but I am getting this error.
java.lang.NullPointerException
at java.applet.Applet.getAppletContext(Applet.java:171)
at Popup_Menus$1.actionPerformed(Popup_Menus.java:90)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1764)
at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(AbstractButton.java:1817)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:419)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:257)
at javax.swing.AbstractButton.doClick(AbstractButton.java:289)
at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1113)
at javax.swing.plaf.basic.BasicMenuItemUI$MouseInputHandler.mouseReleased(BasicMenuItemUI.java:943)
at java.awt.Component.processMouseEvent(Component.java:5134)
at java.awt.Component.processEvent(Component.java:4931)
at java.awt.Container.processEvent(Container.java:1566)
at java.awt.Component.dispatchEventImpl(Component.java:3639)
at java.awt.Container.dispatchEventImpl(Container.java:1623)
at java.awt.Component.dispatchEvent(Component.java:3480)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:3450)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3165)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3095)
at java.awt.Container.dispatchEventImpl(Container.java:1609)
at java.awt.Component.dispatchEvent(Component.java:3480)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:450)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Ev
My Code is messy, but here it is: -
Class One
//package final_project;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.sql.*;
import java.util.*;
import java.io.*;
import java.applet.*;
import java.net.*;
public class Main_Interface extends JApplet implements Runnable {
GUICanvas MainCanvas;
int counter = 0;
protected int delay = 10000;
private Thread timeThread= null;
     public void init() {
     Container contentPane = getContentPane();
MainCanvas = new GUICanvas();
contentPane.setBounds(0,0,850,650);
     contentPane.add(MainCanvas);
public void start() {
timeThread = new Thread(this);
timeThread.start();
public void run() {
Thread myThread = Thread.currentThread();
while (timeThread == myThread) {
try {
Thread.currentThread().sleep(delay);
} catch (InterruptedException e){}
counter ++;
MainCanvas.TheKing();
Class Two
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.sql.*;
import java.util.*;
import java.io.*;
import java.applet.*;
import java.net.*;
import java.applet.*;
public class Popup_Menus extends Applet implements MouseListener {
JPopupMenu ar[] = new JPopupMenu[16];
JMenuItem it[] = new JMenuItem[84];
public Popup_Menus() {
for (int i=0;i<16;i++)
ar[i] = new JPopupMenu();
for (int i=0;i<84;i++)
it[i] = new JMenuItem();
it.setBackground(Color.orange);
it[i].setForeground(Color.cyan);
it[16]= new JMenuItem("Shop Details");
it[17]= new JMenuItem("NoOfStaff");
it[18]= new JMenuItem("ShopAssest");
it[0] = new JMenuItem("Oracle");
ar[0].add(it[0]);
it[1] = new JMenuItem("Macrosoft");
ar[1].add(it[1]);
it[2] = new JMenuItem("SunMicro");
ar[2].add(it[2]);
it[3] = new JMenuItem("PeopleSoft");
ar[3].add(it[3]);
it[4] = new JMenuItem("HP");
ar[4].add(it[4]);
it[5] = new JMenuItem("Dell");
ar[5].add(it[5]);
it[6] = new JMenuItem("Compact");
ar[6].add(it[6]);
it[7] = new JMenuItem("Apple");
ar[7].add(it[7]);
it[8] = new JMenuItem("Sony");
ar[8].add(it[8]);
it[9] = new JMenuItem("Philipes");
ar[9].add(it[9]);
it[10] = new JMenuItem("Bush");
ar[10].add(it[0]);
it[11] = new JMenuItem("Granada");
ar[11].add(it[11]);
it[12] = new JMenuItem("PC");
ar[12].add(it[12]);
it[13] = new JMenuItem("Macintosh");
ar[13].add(it[13]);
it[14] = new JMenuItem("Laptop");
ar[14].add(it[14]);
it[15] = new JMenuItem("Solaris");
ar[15].add(it[15]);
it[0].addActionListener(new ActionListener()
public void actionPerformed(ActionEvent e)
ar[0].add(it[16]);
ar[0].add(it[17]);
ar[0].add(it[18]);
System.out.println("Working");
// ma = new Main_Interface();
try
System.out.println("menuitem");
String s="ali";
URL url = new URL("http://www.google.com");
getAppletContext().showDocument(url,s);
catch(MalformedURLException malformedurlexception)
System.err.println(malformedurlexception);
public void mouseClicked(java.awt.event.MouseEvent e) {
//ar[0].show(this,30,30);
public void mouseEntered(java.awt.event.MouseEvent mouseEvent) {
public void mouseExited(java.awt.event.MouseEvent mouseEvent) {
public void mousePressed(java.awt.event.MouseEvent mouseEvent) {
public void mouseReleased(java.awt.event.MouseEvent mouseEvent) {
Class Three
//package final_project;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.sql.*;
import java.util.*;
import java.io.*;
import java.applet.*;
import java.net.*;
public class GUICanvas extends JPanel implements MouseMotionListener,ActionListener,MouseListener
private Color color;
Popup_Menus popup = new Popup_Menus();
private Font font;
double a1, Q = 0,Z = 0,P = 1, S1;
String Percentages;
double Aa=0,Ba=0,Ca=0,Da=0;
double Aa1=0,Ba1=0,Ca1=0,Da1=0;
double Aa2=0,Ba2=0,Ca2=0,Da2=0;
double Aa3=0,Ba3=0,Ca3=0,Da3=0;
double Aa4=0,Ba4=0,Ca4=0,Da4=0;
double Sum = 0,Sum1 = 0, Sum2 = 0, Sum3 = 0, Sum4 = 0;
double A=0, B=0, C=0, D=0;
double A1=0, B1=0, C1=0, D1=0,A2=0, B2=0, C2=0, D2=0;
double k1=0,k2=0,l1=0,l2=0,r1=0,r2=0,u1=0,u2=0;
int xpos,ypos,popcounter=0;
double DC1[] = new double[4];
double DC2[] = new double[4];
double DC3[] = new double[4];
double DC4[] = new double[4];
boolean rect1Active[] = new boolean[4];
boolean rect1Active2[] = new boolean[4];
boolean rect1Active3[] = new boolean[4];
boolean rect1Active4[] = new boolean[4];
double DF1[] = new double[4];
double DF2[] = new double[4];
double DF3[] = new double[4];
double DF4[] = new double[4];
double Ap[] = new double[4];
double Bp[] = new double[4];
double Cp[] = new double[4];
double Dp[] = new double[4];
int rect1width[] = new int[4];
int rect1height[] = new int[4];
int rect1xco[] = new int[4];
int rect1yco[] = new int[4];
int rect1width2[] = new int[4];
int rect1height2[] = new int[4];
int rect1xco2[] = new int[4];
int rect1yco2[] = new int[4];
int rect1width3[] = new int[4];
int rect1height3[] = new int[4];
int rect1xco3[] = new int[4];
int rect1yco3[] = new int[4];
int rect1width4[] = new int[4];
int rect1height4[] = new int[4];
int rect1xco4[] = new int[4];
int rect1yco4[] = new int[4];
double rect1width5[] = new double[4];
double rect1height5[] = new double[4];
double rect1xco5[] = new double[4];
double rect1yco5[] = new double[4];
public GUICanvas() {
setBackground( Color.black );
TheKing();
addMouseListener(this);
addMouseMotionListener(this);
public void TheKing()
double X=740, Y=470, Ap=0,Bp=0,Cp=0,Dp=0;
String line[] = new String[4];
/* try {
URL url = new URL(
     "http://localhost:111/test/servlet/TestServlet");
BufferedReader in = new BufferedReader(
     new InputStreamReader(url.openStream()));
for (int i = 0; i<4; i++)
line[i] = in.readLine();
in.close();
}catch (Exception e){
e.printStackTrace();
line[0] = "200";
line[1] = "200";
line[2] = "200";
line[3] = "200";
Aa = s2d(line[0]);
Ba = s2d(line[1]);
Ca = s2d(line[2]);
Da = s2d(line[3]);
rect1xco5[0] = 20;
rect1yco5[0] = 20;
Sum=Aa+Ba+Ca+Da;
Ap = (Aa/Sum)*100;
Bp = (Ba/Sum)*100;
Cp = (Ca/Sum)*100;
Dp = (Da/Sum)*100;
A= (Ap/100)*(X*Y);
B= (Bp/100)*(X*Y);
C= (Cp/100)*(X*Y);
D= (Dp/100)*(X*Y);
Q = ((A*C)+(X*Y*D)+(X*C*Y)+(B*X*Y)-(Y*A*X)-((X*X)*(Y*Y))-(B*D))/((X*(Y*Y))-(Y*D)-(C*Y));
Z = (((X*X)*Y*A)-(X*C*A)-(B*X*A))/((X*(Y*Y))-(Y*D)-(C*Y));
A1 =((-Q) + (Math.sqrt((Q*Q)-(4*P*Z))))/(2*P);
A2=A/A1;
B1=X-A1;
B2=B/B1;
D2=Y-A2;
D1=D/D2;
C1=X-D1;
C2=C/C1;
S1=B2+C2;
rect1width5[0] = d2i(A1);
rect1height5[0] = d2i(A2);
rect1width5[1] = d2i(B1);
rect1height5[1] = d2i(B2);
rect1width5[2] = d2i(D1);
rect1height5[2] = d2i(D2);
rect1width5[3] = d2i(C1);
rect1height5[3] = d2i(C2);
rect1xco5[1] = rect1xco5[0] + rect1width5[0];
rect1yco5[1] = rect1xco5[0];
rect1xco5[2] = rect1xco5[0];
rect1yco5[2] = rect1yco5[0] + rect1height5[0];
rect1xco5[3] = rect1xco5[0] + rect1width5[2];
rect1yco5[3] = rect1yco5[0] + rect1height5[1];
k1=rect1xco5[0]+rect1width5[0];
k2=rect1yco5[0]+rect1height5[0];
l1=rect1width5[1]-20;
l2=rect1yco5[1]+rect1height5[1];
r1=rect1xco5[0]+rect1width5[2];
r2=rect1height5[2]-20;
u1=rect1width5[3]-20;
u2=rect1height5[3]-20;
RegionOne(k1, k2);
RegionTwo(l1,l2);
RegionThree(r1, r2);
RegionFour(u1, u2);
public void RegionOne(double X1, double Y1)
String line[] = new String[4];
/* try {
URL url = new URL(
     "http://localhost:111/test/servlet/TestServlet1?name=ONE");
BufferedReader in = new BufferedReader(
     new InputStreamReader(url.openStream()));
for (int i = 0; i<4; i++)
line[i] = in.readLine();
in.close();
}catch (Exception e){
e.printStackTrace();
line[0] = "1200";
line[1] = "2100";
line[2] = "1200";
line[3] = "2100";
DC1[0] = Aa1 ;
DC1[1] = Ba1 ;
DC1[2] = Ca1;
DC1[3] = Da1;
Aa1 = s2d(line[0]);
Ba1 = s2d(line[1]);
Ca1 = s2d(line[2]);
Da1 = s2d(line[3]);
DF1[0] = Aa1 ;
DF1[1] = Ba1 ;
DF1[2] = Ca1;
DF1[3] = Da1;
rect1xco[0] = 20;
rect1yco[0] = 20;
Sum1=Aa1+Ba1+Ca1+Da1;
Ap[0] = (Aa1/Sum1)*100;
Bp[0] = (Ba1/Sum1)*100;
Cp[0] = (Ca1/Sum1)*100;
Dp[0] = (Da1/Sum1)*100;
A= (Ap[0]/100)*(X1*Y1);
B= (Bp[0]/100)*(X1*Y1);
C= (Cp[0]/100)*(X1*Y1);
D= (Dp[0]/100)*(X1*Y1);
Q = ((A*C)+(X1*Y1*D)+(X1*C*Y1)+(B*X1*Y1)-(Y1*A*X1)-((X1*X1)*(Y1*Y1))-(B*D))/((X1*(Y1*Y1))-(Y1*D)-(C*Y1));
Z = (((X1*X1)*Y1*A)-(X1*C*A)-(B*X1*A))/((X1*(Y1*Y1))-(Y1*D)-(C*Y1));
A1 =((-Q) + (Math.sqrt((Q*Q)-(4*P*Z))))/(2*P);
A2=A/A1;
B1=X1-A1;
B2=B/B1;
D2=Y1-A2;
D1=D/D2;
C1=X1-D1;
C2=C/C1;
S1=B2+C2;
rect1width[0] = d2i(A1);
rect1height[0] = d2i(A2);
rect1width[1] = d2i(B1);
rect1height[1] = d2i(B2);
rect1width[2] = d2i(D1);
rect1height[2] = d2i(D2);
rect1width[3] = d2i(C1);
rect1height[3] = d2i(C2);
rect1xco[1] = rect1xco[0] + rect1width[0];
rect1yco[1] = rect1xco[0];
rect1xco[2] = rect1xco[0];
rect1yco[2] = rect1yco[0] + rect1height[0];
rect1xco[3] = rect1xco[0] + rect1width[2];
rect1yco[3] = rect1yco[0] + rect1height[1];
public void RegionTwo(double X2, double Y2)
String line[] = new String[4];
/* try {
URL url = new URL(
     "http://localhost:111/test/servlet/TestServlet1?name=TWO");
BufferedReader in = new BufferedReader(
     new InputStreamReader(url.openStream()));
for (int i = 0; i<4; i++)
line[i] = in.readLine();
in.close();
catch (Exception e){
e.printStackTrace();
line[0] = "1200";
line[1] = "2100";
line[2] = "1200";
line[3] = "2100";
DC2[0] = Aa2;
DC2[1] = Ba2;
DC2[2] = Ca2;
DC2[3] = Da2;
Aa2 = s2d(line[0]);
Ba2 = s2d(line[1]);
Ca2 = s2d(line[2]);
Da2 = s2d(line[3]);
DF2[0] = Aa2 ;
DF2[1] = Ba2 ;
DF2[2] = Ca2;
DF2[3] = Da2;
rect1xco2[0] = rect1xco[1]+rect1width[1];
rect1yco2[0] = 20;
Sum2=Aa2+Ba2+Ca2+Da2;
Ap[1] = (Aa2/Sum2)*100;
Bp[1] = (Ba2/Sum2)*100;
Cp[1] = (Ca2/Sum2)*100;
Dp[1] = (Da2/Sum2)*100;
A= (Ap[1]/100)*(X2*Y2);
B= (Bp[1]/100)*(X2*Y2);
C= (Cp[1]/100)*(X2*Y2);
D= (Dp[1]/100)*(X2*Y2);
Q = ((A*C)+(X2*Y2*D)+(X2*C*Y2)+(B*X2*Y2)-(Y2*A*X2)-((X2*X2)*(Y2*Y2))-(B*D))/((X2*(Y2*Y2))-(Y2*D)-(C*Y2));
Z = (((X2*X2)*Y2*A)-(X2*C*A)-(B*X2*A))/((X2*(Y2*Y2))-(Y2*D)-(C*Y2));
A1 =((-Q) + (Math.sqrt((Q*Q)-(4*P*Z))))/(2*P);
A2=A/A1;
B1=X2-A1;
B2=B/B1;
D2=Y2-A2;
D1=D/D2;
C1=X2-D1;
C2=C/C1;
rect1width2[0] = d2i(A1);
rect1height2[0] = d2i(A2);
rect1width2[1] = d2i(B1);
rect1height2[1] = d2i(B2);
rect1width2[2] = d2i(D1);
rect1height2[2] = d2i(D2);
rect1width2[3] = d2i(C1);
rect1height2[3] = d2i(C2);
rect1xco2[1] = rect1xco2[0] + rect1width2[0];
rect1yco2[1] = rect1yco2[0];
rect1xco2[2] = rect1xco2[0];
rect1yco2[2] = rect1yco2[0] + rect1height2[0];
rect1xco2[3] = rect1xco2[0] + rect1width2[2];
rect1yco2[3] = rect1yco2[0] + rect1height2[1];
public void RegionThree(double X3, double Y3)
String line[] = new String[4];
/* try {
URL url = new URL(
     "http://localhost:111/test/servlet/TestServlet1?name=THREE");
BufferedReader in = new BufferedReader(
     new InputStreamReader(url.openStream()));
for (int i = 0; i<4; i++)
line[i] = in.readLine();
in.close();
catch (Exception e){
e.printStackTrace();
line[0] = "1200";
line[1] = "2100";
line[2] = "1200";
line[3] = "2100";
DC3[0] = Aa3 ;
DC3[1] = Ba3 ;
DC3[2] = Ca3;
DC3[3] = Da3;
Aa3 = s2d(line[0]);
Ba3 = s2d(line[1]);
Ca3 = s2d(line[2]);
Da3 = s2d(line[3]);
DF3[0] = Aa3 ;
DF3[1] = Ba3;
DF3[2] = Ca3;
DF3[3] = Da3;
rect1xco3[0] = 20;
rect1yco3[0] = rect1yco[2]+rect1height[2];
Sum3=Aa3+Ba3+Ca3+Da3;
Ap[2] = (Aa3/Sum3)*100;
Bp[2] = (Ba3/Sum3)*100;
Cp[2] = (Ca3/Sum3)*100;
Dp[2] = (Da3/Sum3)*100;
A= (Ap[2]/100)*(X3*Y3);
B= (Bp[2]/100)*(X3*Y3);
C= (Cp[2]/100)*(X3*Y3);
D= (Dp[2]/100)*(X3*Y3);
Q = ((A*C)+(X3*Y3*D)+(X3*C*Y3)+(B*X3*Y3)-(Y3*A*X3)-((X3*X3)*(Y3*Y3))-(B*D))/((X3*(Y3*Y3))-(Y3*D)-(C*Y3));
Z = (((X3*X3)*Y3*A)-(X3*C*A)-(B*X3*A))/((X3*(Y3*Y3))-(Y3*D)-(C*Y3));
A1 =((-Q) + (Math.sqrt((Q*Q)-(4*P*Z))))/(2*P);
A2=A/A1;
B1=X3-A1;
B2=B/B1;
D2=Y3-A2;
D1=D/D2;
C1=X3-D1;
C2=C/C1;
rect1width3[0] = d2i(A1);
rect1height3[0] = d2i(A2);
rect1width3[1] = d2i(B1);
rect1height3[1] = d2i(B2);
rect1width3[2] = d2i(D1);
rect1height3[2] = d2i(D2);
rect1width3[3] = d2i(C1);
rect1height3[3] = d2i(C2);
rect1xco3[1] = rect1xco3[0] + rect1width3[0];
rect1yco3[1] = rect1yco[3] + rect1height[3];
rect1xco3[2] = rect1xco3[0];
rect1yco3[2] = rect1yco3[0] + rect1height3[0];
rect1xco3[3] = rect1xco3[0] + rect1width3[2];
rect1yco3[3] = rect1yco3[0] + rect1height3[1];
public void RegionFour(double X4, double Y4)
String line[] = new String[4];
/*try {
URL url = new URL(
     "http://localhost:111/test/servlet/TestServlet1?name=FOUR");
BufferedReader in = new BufferedReader(
     new InputStreamReader(url.openStream()));
for (int i = 0; i<4; i++)
line[i] = in.readLine();
in.close();
catch (Exception e){
e.printStackTrace();
line[0] = "1200";
line[1] = "2100";
line[2] = "1200";
line[3] = "2100";
DC4[0] = Aa4 ;
DC4[1] = Ba4 ;
DC4[2] = Ca4;
DC4[3] = Da4;
Aa4 = s2d(line[0]);
Ba4 = s2d(line[1]);
Ca4 = s2d(line[2]);
Da4 = s2d(line[3]);
DF4[0] = Aa4 ;
DF4[1] = Ba4 ;
DF4[2] = Ca4;
DF4[3] = Da4;
rect1xco4[0] = rect1xco3[1]+rect1width3[1];
rect1yco4[0] = rect1yco2[2]+rect1height2[2];
Sum4=Aa4+Ba4+Ca4+Da4;
Ap[3] = (Aa4/Sum4)*100;
Bp[3] = (Ba4/Sum4)*100;
Cp[3] = (Ca4/Sum4)*100;
Dp[3] = (Da4/Sum4)*100;
A= (Ap[3]/100)*(X4*Y4);
B= (Bp[3]/100)*(X4*Y4);
C= (Cp[3]/100)*(X4*Y4);
D= (Dp[3]/100)*(X4*Y4);
Q = ((A*C)+(X4*Y4*D)+(X4*C*Y4)+(B*X4*Y4)-(Y4*A*X4)-((X4*X4)*(Y4*Y4))-(B*D))/((X4*(Y4*Y4))-(Y4*D)-(C*Y4));
Z = (((X4*X4)*Y4*A)-(X4*C*A)-(B*X4*A))/((X4*(Y4*Y4))-(Y4*D)-(C*Y4));
A1 =((-Q) + (Math.sqrt((Q*Q)-(4*P*Z))))/(2*P);
A2=A/A1;
B1=X4-A1;
B2=B/B1;
D2=Y4-A2;
D1=D/D2;
C1=X4-D1;
C2=C/C1;
rect1width4[0] = d2i(A1);
rect1height4[0] = d2i(A2);
rect1width4[1] = d2i(B1);
rect1height4[1] = d2i(B2);
rect1width4[2] = d2i(D1);
rect1height4[2] = d2i(D2);
rect1width4[3] = d2i(C1);
rect1height4[3] = d2i(C2);
rect1xco4[1] = rect1xco4[0] + rect1width4[0];
rect1yco4[1] = rect1yco2[2]+rect1height2[2];
rect1xco4[2] = rect1xco4[0];
rect1yco4[2] = rect1yco4[0] + rect1height4[0];
rect1xco4[3] = rect1xco4[0] + rect1width4[2];
rect1yco4[3] = rect1yco4[0] + rect1height4[1];
static int d2i(double d) {return (int) Math.round(d);}
static double i2d(int i) {return (double) i;}
static double s2d(String s)
double i=0;
try{  return i = Double.parseDouble(s);}
catch(NumberFormatException e)
{  e.printStackTrace();}
return i;
public void paintComponent(Graphics g) {
super.paintComponent(g);
int k11=d2i(k1);
int k21=d2i(k2);
int l11=d2i(l1);
int l21=d2i(l2);
int r11=d2i(r1);
int r21=d2i(r2);
int u11=d2i(u1);
int u21=d2i(u2);
g.setColor(Color.magenta);
g.drawRect(rect1xco[0]-2,rect1yco[0]-2,k11+2,k21+2);
g.drawRect(rect1xco[0]-1,rect1yco[0]-1,k11+2,k21+1);
g.drawRect(rect1xco2[0]+1,rect1yco2[0]-1,l11+1,l21+1);
g.drawRect(rect1xco2[0]+1,rect1yco2[0]-2,l11+2,l21+2);
g.drawRect(rect1xco3[0]-1,rect1yco3[0]+1,r11+2,r21+1);
g.drawRect(rect1xco3[0]-2,rect1yco3[0]+1,r11+2,r21+2);
g.drawRect(rect1xco4[0]+1,rect1yco4[0]+1,u11+2,u21+1);
g.drawRect(rect1xco4[0]+1,rect1yco4[0]+1,u11+1,u21+2);
g.setColor(Color.cyan);
g.drawRect(16,16,749,479);
g.drawRect(17,17,747,477);
if (rect1Active[0])
// First Rectangle's coloring of the Region One
if(DC1[0] == DF1[0])
g.setColor(Color.black);
g.fillRect(rect1xco[0]+2,rect1yco[0]+2,rect1width[0]-4,rect1height[0]-4);
g.setColor(Color.yellow);
g.drawRect(rect1xco[0],rect1yco[0],rect1width[0]-1,rect1height[0]-1);
g.drawRect(rect1xco[0]+1,rect1yco[0]+1,rect1width[0]-3,rect1height[0]-3);
else if(DC1[0] > DF1[0])
g.setColor(Color.red);
g.fillRect(rect1xco[0]+2,rect1yco[0]+2,rect1width[0]-4,rect1height[0]-4);
g.setColor(Color.yellow);
g.drawRect(rect1xco[0],rect1yco[0],rect1width[0]-1,rect1height[0]-1);
g.drawRect(rect1xco[0]+1,rect1yco[0]+1,rect1width[0]-3,rect1height[0]-3);
else if(DC1[0] < DF1[0])
g.setColor(Color.green);
g.fillRect(rect1xco[0]+2,rect1yco[0]+2,rect1width[0]-4,rect1height[0]-4);
g.setColor(Color.yellow);
g.drawRect(rect1xco[0],rect1yco[0],rect1width[0]-1,rect1height[0]-1);
g.drawRect(rect1xco[0]+1,rect1yco[0]+1,rect1width[0]-3,rect1height[0]-3);
else
if(DC1[0] == DF1[0])
g.setColor(Color.black);
g.fillRect(rect1xco[0],rect1yco[0],rect1width[0],rect1height[0]);
else if(DC1[0] > DF1[0])
g.setColor(Color.red);
g.fillRect(rect1xco[0],rect1yco[0],rect1width[0],rect1height[0]);
else if(DC1[0] < DF1[0])
g.setColor(Color.green);
g.fillRect(rect1xco[0],rect1yco[0],rect1width[0],rect1height[0]);
if (rect1Active[1])
// Second Rectangle's coloring of the Region One
if(DC1[1] == DF1[1])
g.setColor(Color.black);
g.fillRect(rect1xco[1]+2,rect1yco[1]+2,rect1width[1]-4,rect1height[1]-4);
g.setColor(Color.yellow);
g.drawRect(rect1xco[1],rect1yco[1],rect1width[1]-1,rect1height[1]-1);
g.drawRect(rect1xco[1]+1,rect1yco[1]+1,rect1width[1]-3,rect1height[1]-3);
else if(DC1[1] > DF1[1])
g.setColor(Color.red);
g.fillRect(rect1xco[1]+2,rect1yco[1]+2,rect1width[1]-4,rect1height[1]-4);
g.setColor(Color.yellow);
g.drawRect(rect1xco[1],rect1yco[1],rect1width[1]-1,rect1height[1]-1);
g.drawRect(rect1xco[1]+1,rect1yco[1]+1,rect1width[1]-3,rect1height[1]-3);
else if(DC1[1] < DF1[1])
g.setColor(Color.green);
g.fillRect(rect1xco[1]+2,rect1yco[1]+2,rect1width[1]-4,rect1height[1]-4);
g.setColor(Color.yellow);
g.drawRect(rect1xco[1],rect1yco[1],rect1width[1]-1,rect1height[1]-1);
g.drawRect(rect1xco[1]+1,rect1yco[1]+1,rect1width[1]-3,rect1height[1]-3);
else
if(DC1[1] == DF1[1])
g.setColor(Color.black);
g.fillRect(rect1xco[1],rect1yco[1],rect1width[1],rect1height[1]);
else if(DC1[1] > DF1[1])
g.setColor(Color.red);
g.fillRect(rect1xco[1],rect1yco[1],rect1width[1],rect1height[1]);
else if(DC1[1] < DF1[1])
g.setColor(Color.green);
g.fillRect(rect1xco[1],rect1yco[1],rect1width[1],rect1height[1]);
if (rect1Active [2])
// Third Rectangle's coloring of the Region One
if(DC1[2] == DF1[2])
g.setColor(Color.black);
g.fillRect(rect1xco[2]+2,rect1yco[2]+2,rect1width[2]-4,rect1height[2]-4);
g.setColor(Color.yellow);
g.drawRect(rect1xco[2],rect1yco[2],rect1width[2]-1,rect1height[2]-1);
g.drawRect(rect1xco[2]+1,rect1yco[2]+1,rect1width[2]-3,rect1height[2]-3);
else if(DC1[2] > DF1[2])
g.setColor(Color.red);
g.fillRect(rect1xco[2]+2,rect1yco[2]+2,rect1width[2]-4,rect1height[2]-4);
g.setColor(Color.yellow);
g.drawRect(rect1xco[2],rect1yco[2],rect1width[2]-1,rect1height[2]-1);
g.drawRect(rect1xco[2]+1,rect1yco[2]+1,rect1width[2]-3,rect1height[2]-3);
else if(DC1[2] < DF1[2])
g.setColor(Color.green);
g.fillRect(rect1xco[2]+2,rect1yco[2]+2,rect1width[2]-4,rect1height[2]-4);
g.setColor(Color.yellow);
g.drawRect(rect1xco[2],rect1yco[2],rect1width[2]-1,rect1height[2]-1);
g.drawRect(rect1xco[2]+1,rect1yco[2]+1,rect1width[2]-3,rect1height[2]-3);
else
if(DC1[2] == DF1[2])
g.setColor(Color.black);
g.fillRect(rect1xco[2],rect1yco[2],rect1width[2],rect1height[2]);
else if(DC1[2] > DF1[2])
g.setColor(Color.red);
g.fillRect(rect1xco[2],rect1yco[2],rect1width[2],rect1height[2]);
else if(DC1[2] < DF1[2])
g.setColor(Color.green);
g.fillRect(rect1xco[2],rect1yco[2],rect1width[2],rect1height[2]);
if (rect1Active [3])
//Fourth Rectangle's coloring of the Region One
if(DC1[3] == DF1[3])
g.setColor(Color.black);
g.fillRect(rect1xco[3]+2,rect1yco[3]+2,rect1width[3]-4,rect1height[3]-4);
g.setColor(Color.yellow);
g.drawRect(rect1xco[3],rect1yco[3],rect1width[3]-1,rect1height[3]-1);
g.drawRect(rect1xco[3]+1,rect1yco[3]+1,rect1width[3]-3,rect1height[3]-3);
else if(DC1[3] > DF1[3])
g.setColor(Color.red);
g.fillRect(rect1xco[3]+2,rect1yco[3]+2,rect1width[3]-4,rect1height[3]-4);
g.setColor(Color.yellow);
g.drawRect(rect1xco[3],rect1yco[3],rect1width[3]-1,rect1height[3]-1);
g.drawRect(rect1xco[3]+1,rect1yco[3]+1,rect1width[3]-3,rect1height[3]-3);
else if(DC1[3] < DF1[3])
g.setColor(Color.green);
g.fillRect(rect1xco[3]+2,rect1yco[3]+2,rect1width[3]-4,rect1height[3]-4);
g.setColor(Color.yellow);
g.drawRect(rect1xco[3],rect1yco[3],rect1width[3]-1,rect1height[3]-1);
g.drawRect(rect1xco[3]+1,rect1yco[3]+1,rect1width[3]-3,rect1height[3]-3);
else
if(DC1[3] == DF1[3])
g.setColor(Color.black);
g.fillRect(rect1xco[3],rect1yco[3],rect1width[3],rect1height[3]);
else if(DC1[3] > DF1[3])
g.setColor(Color.red);
g.fillRect(rect1xco[3],rect1yco[3],rect1width[3],rect1height[3]);
else if(DC1[3] < DF1[3])
g.setColor(Color.green);
g.fillRect(rect1xco[3],rect1yco[3],rect1width[3],rect1height[3]);
if (rect1Active2[0])
// First Rectangle's coloring of the Region Two
if(DC2[0] == DF2[0])
g.setColor(Color.black);
g.fillRect(rect1xco2[0]+4,rect1yco2[0]+2,rect1width2[0]-4,rect1height2[0]-4);
g.setColor(Color.yellow);
g.drawRect(rect1xco2[0]+2,rect1yco2[0],rect1width2[0]-1,rect1height2[0]-1);
g.drawRect(rect1xco2[0]+3,rect1yco2[0]+1,rect1width2[0]-3,rect1height2[0]-3);
else if(DC2[0] > DF2[0])
g.setColor(Color.red);
g.fillRect(rect1xco2[0]+4,rect1yco2[0]+2,rect1width2[0]-4,rect1height2[0]-4);
g.setColor(Color.yellow);
g.drawRect(rect1xco2[0]+2,rect1yco2[0],rect1width2[0]-1,rect1height2[0]-1);
g.drawRect(rect1xco2[0]+3,rect1yco2[0]+1,rect1width2[0]-3,rect1height2[0]-3);
else if(DC2[0] < DF2[0])
g.setColor(Color.green);
g.fillRect(rect1xco2[0]+4,rect1yco2[0]+2,rect1width2[0]-4,rect1height2[0]-4);
g.setColor(Color.yellow);
g.drawRect(rect1xco2[0]+2,rect1yco2[0],rect1width2[0]-1,rect1height2[0]-1);
g.drawRect(rect1xco2[0]+3,rect1yco2[0]+1,rect1width2[0]-3,rect1height2[0]-3);
else
if(DC2[0] == DF2[0])
g.setColor(Color.black);
g.fillRect(rect1xco2[0]+2,rect1yco2[0],rect1width2[0],rect1height2[0]);
else if(DC2[0] > DF2[0])
g.setColor(Color.red);
g.fillRect(rect1xco2[0]+2,rect1yco2[0],rect1width2[0],rect1height2[0]);
else if(DC2[0] < DF2[0])
g.setColor(Color.green);
g.fillRect(rect1xco2[0]+2,rect1yco2[0],rect1width2[0],rect1height2[0]);
if (rect1Active2[1])
// Second Rectangle's coloring of the Region Two
if(DC2[1] == DF2[1])
g.setColor(Color.black);
g.fillRect(rect1xco2[1]+4,rect1yco2[1]+2,rect1width2[1]-4,rect1height2[1]-4);
g.setColor(Color.yellow);
g.drawRect(rect1xco2[1]+2,rect1yco2[1],rect1width2[1]-1,rect1height2[1]-1);
g.drawRect(rect1xco2[1]+3,rect1yco2[1]+1,rect1width2[1]-3,rect1height2[1]-3);

Answer 1

Could you show me how to use it as an applet. If you
can modify my code and make it working it would be
very helpful.
Best regards
AliPerhaps you could start [url http://java.sun.com/docs/codeconv/html/CodeConvTOC.doc.html]here[url