Java tutorial
import java.awt.FlowLayout; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JTextField; public class Main { public static void main(String[] args) { JTextField smallField = new JTextField(5); JTextField largeField = new JTextField(20); JPanel gui = new JPanel(new FlowLayout()); gui.add(smallField); gui.add(largeField); JFrame f = new JFrame("Text Field Size"); f.add(gui); f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); f.pack(); f.setLocationByPlatform(true); f.setVisible(true); } }