Test.java

import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.BorderFactory;
import javax.swing.*;
/**
 * @author nitish
 */
public class Test extends JFrame implements ActionListener{

    JTexdyanmicTF dyanmicTF;   
    JPanel panel;
    
    Test(){
        JButton add = new JButton("ADD TexdyanmicTF");
        add.addActionListener(this);
        
        panel = new JPanel();
        FlowLayout F= new FlowLayout();
        F.setAlignment(0);
        
        panel.setLayout(F);
        panel.add(add);
        
        add(panel);
    }
    public static void main(String args[]){
        Test object = new Test();
        object.setSize(new Dimension(800, 500));
        object.setLocationRelativeTo(null);
        object.setVisible(true);
    }
    @Override
    public void actionPerformed(ActionEvent e) {
          dyanmicTF = new JTexdyanmicTF("Dynamic TF ");
          dyanmicTF.setPreferredSize(new Dimension(120, 35));
          dyanmicTF.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
          panel.add(dyanmicTF);
          revalidate(); 
          repaint();
    }  
}