Click a button in an applet application to call up or open another window.

Please, kindly show me how to call up or open an applet window(written in a seperate file) by clicking a button in an applet application.
Thanks
Alam Winner Ikenna
import java.awt.*;
import javax.swing.*;
/*<HTML>
<Applet code = "Qualification.class" Height = "400" width = "400"></Applet>
</HTML>*/
public class Qualification extends JApplet
    JPanel p, p1, p2, p3, p4, p5, p6, p7;
    JLabel heading, grad, grd, sh, uni, grs, tda, sco, toe, detrd;
    JButton b;
    JTextField tgrad, tgrd, tsh, tuni, tgrs, ttda, tsco, ttoe, tdetrd;
    GridBagLayout gbl;
    GridBagConstraints gbc;
    public void init()
        p = new JPanel();
        p1 = new JPanel();
        p2 = new JPanel();
        p3 = new JPanel();
        p4 = new JPanel();
        p5 = new JPanel();
        p6 = new JPanel();
        p7 = new JPanel();
        gbl=new GridBagLayout();
        gbc=new GridBagConstraints();
        p =(JPanel)getContentPane();
        p.setLayout(gbl);
        heading = new JLabel("QUALIFICATION DETAILS:");
        grad = new JLabel("Graduation Degree Program:");
        grd = new JLabel("Grade");
        sh = new JLabel("School");
        uni = new JLabel("University");
        grs = new JLabel("Graduate Record Examination (GRE) Scores");
        tda = new JLabel("Test Date:");
        sco = new JLabel("Score(%)");
        toe = new JLabel("TOEFL Score (If required):");
        detrd = new JLabel("Details of Recent Hounors and Awards:");
        tgrad = new JTextField(20);
        tgrd = new JTextField(20);
        tsh = new JTextField(20);
        tuni = new JTextField(20);
        tgrs = new JTextField(20);
        ttda = new JTextField(20);
        tsco = new JTextField(20);
        ttoe = new JTextField(20);
        tdetrd= new JTextField(20);
        b = new JButton("SUMBIT");
        gbc.gridwidth=GridBagConstraints.REMAINDER;
        gbl.setConstraints(heading, gbc);
        p.add(heading);
        gbc.anchor = GridBagConstraints.CENTER;
        gbc.gridwidth = 1;
        gbc.weightx = 0;
        gbl.setConstraints(grad, gbc);
        p.add(grad);
        gbc.gridx = 2;
        gbc.gridy = 1;
        gbl.setConstraints(tgrad, gbc);
        p.add(tgrad);
        gbc.gridx = 4;
        gbc.gridy = 1;
        gbl.setConstraints(grd, gbc);
        p.add(grd);
        gbc.gridx = 6;
        gbc.gridy = 1;
        gbl.setConstraints(tgrd, gbc);
        p.add(tgrd);
        gbc.anchor = GridBagConstraints.NORTHWEST;
        gbc.gridx = 0;
        gbc.gridy = 2;
        gbl.setConstraints(sh, gbc);
        p.add(sh);
        gbc.gridx = 2;
        gbc.gridy = 2;
        gbl.setConstraints(tsh, gbc);
        p.add(tsh);
        gbc.gridx = 4;
        gbc.gridy = 2;
        gbl.setConstraints(uni, gbc);
        p.add(uni);
        gbc.gridx = 6;
        gbc.gridy = 2;
        gbl.setConstraints(tuni, gbc);
        p.add(tuni);
        gbc.anchor = GridBagConstraints.NORTHWEST;
        gbc.gridx = 0;
        gbc.gridy = 4;
        gbl.setConstraints(grs, gbc);
        p.add(grs);
        gbc.gridx = 2;
        gbc.gridy = 4;
        gbl.setConstraints(tgrs, gbc);
        p.add(tgrs);
        gbc.anchor = GridBagConstraints.NORTHWEST;
        gbc.gridx = 0;
        gbc.gridy = 5;
        gbl.setConstraints(tda, gbc);
        p.add(tda);
        gbc.gridx = 2;
        gbc.gridy = 5;
        gbl.setConstraints(ttda, gbc);
        p.add(ttda);
        gbc.gridx = 4;
        gbc.gridy = 5;
        gbl.setConstraints(sco, gbc);
        p.add(sco);
        gbc.gridx = 6;
        gbc.gridy = 5;
        gbl.setConstraints(tsco, gbc);
        p.add(tsco);
        gbc.anchor = GridBagConstraints.NORTHWEST;
        gbc.gridx = 0;
        gbc.gridy = 6;
        gbl.setConstraints(toe, gbc);
        p.add(toe);
        gbc.gridx = 2;
        gbc.gridy = 6;
        gbl.setConstraints(ttoe, gbc);
        p.add(ttoe);
        gbc.anchor = GridBagConstraints.NORTHWEST;
        gbc.gridx = 0;
        gbc.gridy = 7;
        gbl.setConstraints(detrd, gbc);
        p.add(detrd );
        gbc.gridx = 2;
        gbc.gridy = 7;
        gbl.setConstraints(tdetrd, gbc);
        p.add(tdetrd);
        gbc.anchor = GridBagConstraints.NORTHWEST;
        gbc.gridx = 6;
        gbc.gridy = 8;
        gbl.setConstraints(b, gbc);
        p.add(b);
}Edited by: [email protected] on Apr 8, 2009 1:16 PM

[email protected] wrote:
Can an applet have an actionPerformed method in it and if it does, do I need to write the code in an actionPerformed method ?Sure it can. Yes if you implement from the ActionListener interface, you must override the actionPerformed method.
Secondly, The (new URL("otherApplet.html"), "_NEWWIN"); What does this stand for? It means open the html file "otherApplet.html" in a new window named NEWWIN. NEWWIN can be replaced by any name you want.
Because, the compiler complained about URL, saying that, is not a class.You need to import the URL class from java.net package.

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