import javax.swing.text.AttributeSet;
import javax.swing.text.StyleConstants;
public class Main {
public static void main(String[] argv) {
// Check if color-based attribute
boolean b = StyleConstants.Foreground instanceof AttributeSet.ColorAttribute;
b = StyleConstants.Italic instanceof AttributeSet.ColorAttribute;
// Check if font-based attribute
b = StyleConstants.Italic instanceof AttributeSet.FontAttribute;
b = StyleConstants.Foreground instanceof AttributeSet.FontAttribute;
}
}