package javaapplication17;

import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import static javax.swing.JFrame.EXIT_ON_CLOSE;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.Timer;

public class JavaApplication17 extends JFrame{

    final JButton submitButton = new JButton("TEST");
    Timer timer;

    public JavaApplication17() {

        initUI();
    }

    private void initUI() {
        JPanel panel = new JPanel();
        getContentPane().add(panel);


        panel.setLayout(null);


        submitButton.setSize(80, 80);
        submitButton.setLocation(20, 20);

        panel.add(submitButton);

        setSize(200, 200);
        setLocationRelativeTo(null);
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        test();
        timer.start();
    }

    public void test(){
        timer = new Timer(18, new ActionListener() {
                @Override
                public void actionPerformed(ActionEvent e) {
                    Dimension dim = submitButton.getSize();
                    if (dim.getHeight() < 79.9) {
                        submitButton.setSize((int) (dim.getWidth() + 6), (int) (dim.getHeight() + 6));
                    } else {
                        submitButton.setSize(20, 20);
                    }
                }
            });
    }

     public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {
            @Override
            public void run() {
                JavaApplication17 ex = new JavaApplication17();
                ex.setVisible(true);
            }
        });
    }

}