Java AWT FontMetrics get from JTextField
import java.awt.FlowLayout; import java.awt.FontMetrics; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JTextField; public class Main extends JFrame { public Main() { super("JButton"); setDefaultCloseOperation(EXIT_ON_CLOSE); setLayout(new FlowLayout()); JLabel nameLabel = new JLabel("Name:"); JTextField name = new JTextField(20); FontMetrics fm = name.getFontMetrics(name.getFont()); System.out.println(fm);//from w w w. j a v a 2 s .co m getContentPane().add(nameLabel); getContentPane().add(name); } public static void main(String[] args) { Main frame = new Main(); frame.pack(); frame.setVisible(true); } }