Bonjour j`ai besoin d`aide jai ecrit mon code applet
et je dois afficher le resultat dans le textArea ou scrollbar list.
s`il vous plait aider moi.

voici le code..
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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public class BalanceApplet extends JApplet implements ActionListener {
	double invest;
	double interRate;
	int numbsyears;
 
	Container con = getContentPane();
 
	JLabel displaytext1 = new JLabel("Welcome to TD Bank");
	JLabel displaytext2 = new JLabel("Investment:");
	JLabel displaytext3 = new JLabel("Interet Rate:");
	JLabel displaytext4 = new JLabel("numbs years:");
 
 
	Font headlineFont1 = new Font ("helvetica",Font.BOLD,16);
	Font headlineFont2 = new Font ("helvetica",Font.BOLD,10);
	Font headlineFont3 = new Font ("helvetica",Font.BOLD,10);
	Font headlineFont4 = new Font ("helvetica",Font.BOLD,10);
	JTextField enter1 = new	JTextField(5);
	JTextField enter2 = new	JTextField(5);
	JTextField enter3 = new	JTextField(5);
	TextArea result = new TextArea(2,25);
 
 
	JButton CalculateJButton = new JButton("Calculate");
 
	public void init(){
 
		displaytext1.setFont(headlineFont1);
		displaytext2.setFont(headlineFont2);
		displaytext3.setFont(headlineFont3);
		displaytext4.setFont(headlineFont4);
		result = new TextArea(4,25);
		result.setEditable(false);
		con.add(displaytext1);
		con.add(displaytext2);
		con.add(displaytext3);
		con.add(displaytext4);
 
		con.add(enter1);
		con.add(enter2);
		con.add(enter3);
		con.add(CalculateJButton);
		con.setLayout(new FlowLayout());
		con.add(result);
 
		CalculateJButton.addActionListener(this);
		enter1.addActionListener(this);
		enter2.addActionListener(this);
		enter2.addActionListener(this);
		System.out.println("init");
 
	}
 
	public void actionPerformed(ActionEvent e) {
 
		Double  invest = new Double (enter1.getText());
		Double interRate = new Double( enter2.getText());
		Integer numbsyears = new Integer ( enter3.getText());
 
 
		for( int i=0 ;i<= numbsyears; i++){
			result.setText((i + "==" +(invest)));
			System.out.println(i + "==" +(invest));
			invest+=interRate*invest;
 
 
 
			validate();
 
		}
	}
	public void start( )
	{
		System.out.println("start");		
	}
	public void stop( )
	{
		System.out.println("stop");		
	}
	public void destroy( )
	{
		System.out.println("destroy");		
	}
 
}