How to get Font height

OK I give up.
How can I get font height, not size. For example for font size 12, font height is 17.
This method, getHeight(), is accessable through FontMetrics object which is accessable from Graphics object. I can't get Graphics simply with
JLabel lab = new JLabel();
lab.getGraphics(); // this gets me null
so how can I get the font height ?

Get the FontMetrics object from your Component and its font (you can use method getFont):
http://java.sun.com/j2se/1.3/docs/api/java/awt/Component.html#getFontMetrics(java.awt.Font)

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