How to get name of a Component retuned by FocusEvent.getOppositeComponent()

Hi,
I have three instances of JTable named table1, table2, table3 and one button. For the button I have FocusListener which listens to focusGained event. The FocusEvent enables me to get the Component which has lost the focus by e.getOppositeComponent(). Now my question: how can I understand which instance is that component table1, table2, or table3? getName(), getAccessibleContext().getAccessibleName() return nulls. I SIMPLY WANT TO KNOW WHICH TABLE LOST FOCUS WHEN BUTTON WAS PRESSED.
Thanks

if you have the object use if (component instanceof table1) .....
Noah

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How to get name of a Component retuned by FocusEvent.getOppositeComponent()

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