TextArea t = new TextArea("nom|nom utilisateur|dernier apel",5,50);
Panel p=new Panel();
p.setLayout(new FlowLayout());
JButton boutonValid2 = new JButton("New");
boutonValid2.addActionListener(this);
p.add(boutonValid2);
add("West",p);
p.add(textField1);
p.add(t);
}
public void actionPerformed(ActionEvent e) { // gestion des événements "bouton"
String[] args = null;
if (e.getActionCommand().equals("New"))
classe1.main(args);
}
public static void main(String[] args) {
//*************
//***************
JFrame cadre = new class2();
cadre.setVisible(true);
}
}
et voila ce quil maffiche
Driver introuvable :
java.lang.ClassNotFoundException: com.mabase.jdbc.Driver
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at package1.class2.(class2.java:42)
at package1.class2.main(class2.java:113)
Exception in thread "main" java.lang.NullPointerException
at package1.class2.(class2.java:78)
at package1.class2.main(class2.java:113)