String array for Choice, JOptionPane doesn't show

1.Is there a way that you can make the choicelist use a string array, the thing is that I want the contents of the choice list to change to suite what is selected in my checkboxes, I find the lengthy addItem awkward and hard to replace in this case.

2.I also wanted to show a message dialog, I imported the necessary class import javax.swing.JOptionPane;

but when i used it in my code it gave an error

JOptionPane.showMessageDialog(null, "You have not selected details of what you want to know!", JOptionPane.WARNING_MESSAGE);

How do you show the message dialog?

#1. The answer is yes. Make your StringArray then just use a loop to add the items, you do not have to do any tedious work of addItem then.

Code:

---

String[] myArray = {"A","B","C"};
for (int i = 0; i < myArray.length; i++) {
                       
myChoiceList.add(myArray[i]);
}

---

#2. JOption pane needs the parent as the first parameter. You have null.
So, it should be :

Code:

---

JOptionPane.showMessageDialog(myParentComponent(), "You have not selected details of what you want to know!", JOptionPane.WARNING_MESSAGE);

---

with "myParentComponent()" being the name of the component that is calling the JOptionpane

I Will try the loop,

but for the JOptionPane I had tried that i.e myParentComponent(), Actually the name of the applet is MyRequest so I had

Code:

---

JOptionPane.showMessageDialog(MyRequest, "You have not selected details of what you want to know!", JOptionPane.WARNING_MESSAGE);

---

but it still didn't work!

You may look at JOptionPane class....

eg.

showMessageDialog(null,"Message","Title",int constant);

Isn't there a subcomponent for your applet, like a JFrame or a JPanel?? That is the component you should put in there, the component that actually has the button on it or whatever it is that makes the JOption pane popup. You do not list the applet, you list a Component. Please look at the Java API for JOptionPane and that should help out.

Men it work fine, Thanks, Asante is thanks in kiswahili.

Actually since the applet is itself acontainer you have to included all the parts of the JOptionPane, ie

showMessageDialog(null,"Message","Title",int constant);

Again Asante.