Font.deriveFont(float size) has the following syntax.
public Font deriveFont(float size)
In the following code shows how to use Font.deriveFont(float size) method.
import java.awt.Font; import java.io.FileInputStream; import java.io.InputStream; // w w w . ja v a 2 s.c om public class Main { public static void main(String[] args) throws Exception{ String fontFileName = "yourfont.ttf"; InputStream is = new FileInputStream(fontFileName); Font ttfBase = Font.createFont(Font.TRUETYPE_FONT, is); Font ttfReal = ttfBase.deriveFont(24F); } }