Firefox style jtabbed pane questions

hey
i am wondering if it is possible to create in java tabbed pane that can be closed independentaly
for example firefox tabs, they can be closed by an X button on the right

I'm having trouble with the JTabbedPane too. I cut and pasted this right from the Sun tutorial on the JTabbedPane, but when I try to run it under Eclipse, it won't compile. It gives me
1) Syntax error on token(s); misplaced construct(s)
2) Syntax error on token ItemPanel, VariableDeclaratorId expected after this token
3) Syntax error on token "Items"; invalid FormalParameterList
<code>
import javax.swing.*;
import javax.swing.SwingConstants;
public class TabContainer
     JTabbedPane tabbedPane = new JTabbedPane();
     ItemDataPanel itemPanel = new ItemDataPanel();
     tabbedPane.add("Items", itemPanel);
</code>
This is EXACTLY what the tutorial says to do. Every other source says the same thing. What is wrong with it?

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