import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.util.Scanner; import javax.swing.JFrame;; @SuppressWarnings("serial") public class Framer extends Frame implements ActionListener{ String i; private Label L1; private TextField t1; public void unit(){ Frame frame = new JFrame("bank"); setLayout(new FlowLayout(FlowLayout.CENTER, 1, 90)); Label L1=new Label(i); Button b1=new Button("plus"); add(b1); b1.addActionListener(this); TextField t1=new TextField(10); add(t1); setVisible(true); addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent e) { System.exit(0); } }); } public static void main(String[] args) { Framer frm= new Framer(); frm.unit(); } @Override public void actionPerformed(ActionEvent e) { i=t1.getText(); add(L1); }