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Could you try to show the output? That would be helpfull.

As far as i know the JPanel can't get focus unless you set it yourself.

You could write your own class which extends JPanel and implements KeyListener. Also it should override JPanel's add-method, and it that method you can assign every component you add an KeyListerner ex. import javax.swing.*; import java.awt.*; import java.awt.event.*; public class KeyPanel...

As far as i can see you have to add the mainPanel to the Applet itself.

try to take a look at: http://www.jspinsider.com/index.view

have you installed the jar file containing the oracle jdbc drivers in the classpath?

With this line test obTest[] = new test[10]; you have meade the declaration but the array is still empty you have to fill it with test-Objects ex. for(int i=0; i<obTest.length; i++) obTest[i]=new test();

I have to correct myself i have discovered a spelling mistake, it should say: &quot;.....and you can't assign a String.....

You can use the method setText(String) eks. buttonName.setText(&quot;Back&quot;); and of course the button should have added an ActionListerner, to monitor the click

You get the error because the line s = new String[n]; tries to assign a String array of size n to s, and you can assign a String array to a String. The String constructor you are trying to use takes a char array as a parameter. But why don't you cast into a String in the first place?

If you add changePanel.updateUI(); in every case you should get the result you want

Look at sun's homepage java.sun.com they list all the differences and improvments between 1.3 and 1.4