PLEASE HELP ME FOR MY PROJECT

Question

Hello.
I have my project to be done by Monday.
I typed some code, but have no idea what to do anymore. No clue...
The following is the project overview etc.
Overview
In a single source file named App.java, define an Employee class to encapsulate employee data and an App class defining an applet to maintain a collection of Employee objects.
Employee Class
Define a small, non-public class named Employee that encapsulates private instance variables for name (String) and pay rate (double). The class needs a single constructor to instantiate an Employee object with values received for both instance variables. It also needs minimal set() and get() methods (such as setName(), getPayRate(), etc.) that allow a class client to store and retrieve the value of each instance variable. Do not be concerned with editing the data within this class. It is used only to support the testing of your applet.
Code this class inside your App.java source file but after the definition of the App class. Be sure to omit the specification of public in the class header (because Java only allows one public class per source file).
App class
This public class will define the processing of your applet. Its required features are as follows:
Input Components:
Name (a TextField). For entering or displaying an employee's name.
Pay rate (a TextField). For entering or displaying an employee's pay rate. When used for input, the value must be edited (see the processing notes below). If the value is invalid, display an appropriate error message.
First (a button). When clicked, triggers the display of the name and pay rate of the first employee in the collection. If the collection is empty, display an appropriate message.
Next (a button). When clicked, triggers the display of the name and pay rate of the next employee in the collection. If there are no more objects in the collection, display an appropriate message.
Find (a button). When clicked, triggers the display of the name and pay rate of the employee whose name currently appears in the name text field. If the requested employee doesn't exist, display an appropriate error message.
Add (a button). When clicked, triggers the construction of an Employee object having the currently displayed name and pay rate and the addition of the object to the collection. Display appropriate error messages if input data is missing or incorrect or if the employee already exists within the collection.
Delete (a button). When clicked, triggers the deletion of the Employee object having the currently displayed name from the collection. If the specified employee doesn't exist, display an appropriate error message.
Output components:
Number of employees (a Label). For displaying how many Employee objects are currently within the collection. This must be changed as employees are added or deleted from the collection.
Message area (a TextArea). For displaying messages.
Processing notes:
The applet must get the value of an HTML parameter named "maxRate". Convert the associated value string to a double and use it to edit a pay rate entered by the user. It represents the maximum allowable pay rate for an employee. If an attempt is made to enter a larger pay rate, display an appropriate error message.
Use GridBagLayout for the applet's components. The arrangement of components is up to you.
Use a SortedMap implemented as a TreeMap for the collection. It is to be maintained in ascending order based upon employee name.
When the user moves the mouse to touch one of the buttons, its color or font should change. When the mouse exits the button, its color or font should return to normal.
The following is the code I have so far
<CODE>
import java.util.*;
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
public class App extends Applet implements ActionListener, MouseListener,
MouseMotionListener{
// Instance variables for the employees' name and pay rate.
private String name;
private double payRate;
// Instance variables for referencing the Employee name heading and its text field.
private Label nameLabel;
private TextField nameField;
// Instance variables for referencing the pay rate heading and its text field.
private Label payRateLabel;
private TextField payRateField;
// Instance variables for referencing the number of employees' heading and
// its text field.
private Label empNumLabel;
private TextField empNumField;
// Instance variables for referencing the "First", "Next", "Find", "Add", and
// "Delete" button.
private Button firstBtn;
private Button nextBtn;
private Button findBtn;
private Button addBtn;
private Button deleteBtn;
// Instance variables for referencing the message area.
private TextArea msg;
public static void main(String[] args){
SortedMap m = new TreeMap();
// This method defines initial (one-time) applet processing.
public void init(){
// Set the size and background/foreground color for the applet window.
setSize(250, 350);
setBackground(Color.lightGray);
setForeground(Color.green);
// Choose GridBagLayout and create a GridBagConstraints object for use in
// laying out components to be added to hte container.
setLayout(new GridBagLayout());
GridBagConstraints c = new GridBagConstraints();
// Initialize constraints to stretch small components to fill their entire
// display area, give all rows equal height when distributing extra vertical
// space, and give all columns equal width when distributing extra horizontal
// space.
c.fill=GridBagConstraints.BOTH;
c.anchor = GridBagConstrainst.CENTER;
c.weightx = 1;
c.weighty = 1;
// Build Employee Name label and add it to the top-left cell in the layout.
nameLabel = new Label ("Employee Name");
c.gridx = 0;
c.gridy = 0;
c.gridwidth = 1;
c.gridheight = 1;
add (nameLabel, c);
// Build Employee Name text field and add it to x=1, y=0 in the layout.
nameField = new TextField (30);
c.gridx = 1;
c.gridy = 0;
c.gridwidth = 1;
// or c.gridwidth = GridBagConstraints.REMAINDER; //Last on row.
c.gridheight = 1;
add (nameField, c);
// Build Pay Rate label and add it to the second row, first column in the layout.
payRateLabel = new Label ("Pay Rate");
c.gridx = 0;
c.gridy = 1;
c.gridwidth = 1;
c.gridheight = 1;
add (payRateLabel, c);
// Build Pay Rate text field and add it to x=1, y=1 in the layout.
payRateField = new TextField (8);
c.gridx = 1;
c.gridy = 1;
c.gridwidth = 1;
// or c.gridwidth = GridBagConstraints.REMAINDER; //Last on row.
c.gridheight = 1;
add (payRateField, c);
// Build number of employee label and add it to x=1, y=2 in the layout.
empNumLabel = new Label ("Number of Employees");
c.gridx = 1;
c.gridy = 2;
c.gridwidth = 1;
c.gridheight = 1;
add(empNumLabel, c);
// Build number of employee text field and add it to x=2, y=2 in the layout.
empNumField = new TextField (5);
c.gridx = 2;
c.gridy = 2;
c.gridwidth = 1;
c.gridheight = 1;
add(empNumField, c);
// Create the "ADD" button and add it to the x=1, y=3 in the layout.
addBtn = new Button ("Add");
addBtn.setBackground(Color.red);
addBtn.setForeground(Color.black);
addBtn.addActionListener(
new ActionListener() {
public void actionPerformed (ActionEvent e){
c.gridx = 1;
c.gridy = 3;
c.gridwidth = 1;
c.gridheight = 1;
add(addBtn, c);
// Create the "DELETE" button and add it to the x=2, y=3 in the layout.
deleteBtn = new Button ("Delete");
deleteBtn.setBackground(Color.red);
deleteBtn.setForeground(Color.black);
deleteBtn.addActionListener(
new ActionListener() {
public void actionPerformed (ActionEvent e){
c.gridx = 2;
c.gridy = 3;
c.gridwidth = 1;
c.gridheight = 1;
add(deleteBtn, c);
// Create the "FIRST" button and add it to the x=0, y=4 in the layout.
firstBtn = new Button ("First");
firstBtn.setBackground(Color.red);
firstBtn.setForeground(Color.black);
firstBtn.addActionListener(
new ActionListener() {
public void actionPerformed (ActionEvent e){
c.gridx = 0;
c.gridy = 4;
c.gridwidth = 1;
c.gridheight = 1;
add(firstBtn, c);
// Create the "NEXT" button and add it to the x=1, y=4 in the layout.
nextBtn = new Button ("Next");
nextBtn.setBackground(Color.red);
nextBtn.setForeground(Color.black);
nextBtn.addActionListener(
new ActionListener() {
public void actionPerformed (ActionEvent e){
c.gridx = 1;
c.gridy = 4;
c.gridwidth = 1;
c.gridheight = 1;
add(nextBtn, c);
// Create the "FIND" button and add it to the x=2, y=4 in the layout.
findBtn = new Button ("Find");
findBtn.setBackground(Color.red);
findBtn.setForeground(Color.black);
findBtn.addActionListener(
new ActionListener() {
public void actionPerformed (ActionEvent e){
c.gridx = 2;
c.gridy = 4;
c.gridwidth = 1;
c.gridheight = 1;
add(findBtn, c);
// Create message are and add it to x=0, y=5 in the layout.
msg = new TextArea (5, 20);
c.gridx = 0;
c.gridy = 5;
c.gridwidth = GridBagConstraints.REMAINDER; // Last on row
c.gridheight = 1;
add(msg, c);
//???????????????????????????????????????????????/////////////////////////???????????????????????????????????????????????///////////////////////public void setName (String newName){
name = newName;
public void setPayRate (double newPayRate){
payRate = newPayRate;
public void getName () {
return name;
public void getPayRate() {
return payRate;
//Change color of Button
public void mouseEntered (MouseEvent e){
Color oldBackground = addBtn.getBackground();
addBtn.setBackground(addBtn.getForeground());
addBtn.setForeground(oldBackground);
public void mouseExited (MouseEvent e){
Color oldBackground = addBtn.getBackground();
addBtn.setBackground(addBtn.getForeground());
addBtn.setForeground(oldBackground);
</CODE>
I don't know where to put Employee class.
I don't know what to do anymore...
I'm soooooooooooooo stuck and just want to cry...
Please give me any suggestion/help so that I could move on.
Thank you so much in advance

Answer 1

Step 1 (analying your specs).
In a single source file named App.java, define an Employee class to encapsulate employee data and an App class defining an applet to maintain a collection of Employee objects.
You are given lots of usefule information.
Name of the primary (source) class to create App
Primary class (source) will include an employee class.
The need to maintain a collection (list) of employee classes.
first thing i do is
public class App {
    Vector myEmps = new Vector();// will hold the employee objects;
    Employee emp;      // single instance of an employee object
    App() {
       // this is how we add employee objects to the list
       // in this case the list is a vector.
       myEmps.add(new Employee("sean",1,80000.50));
       myEmps.add(new Employee("davey",1,70000.25));
       myEmps.add(new Employee("harry",1,90000.15));
class Employee {
// define employee data as variables
   String name;
   int ID;
   double payRate;
      Employee(String n, int ID, double pr) {
        this.name = n;
        this.ID = ID;
        this.payRate = pr;
     public void setName(String n) {  // can set/change emps name
        name = n;
     public void setPayRate(double pr) {  // can set/change payRate
          payRate = pr;
}this is just a start