import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Color;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextArea;

public class MoveWord extends JPanel{
    int x = 40, y = 20;

    public void paint(Graphics g)
    {

        super.paint(g);
        Graphics2D graficArea = (Graphics2D)g;
        Font font = new Font("Tahoma",Font.BOLD+Font.PLAIN,18);
        graficArea.setFont(font);
        graficArea.setColor(Color.black);
        graficArea.drawString("a",x,y);

        try {
            Thread.sleep (150);
        } catch (Exception e) {}

        y+=2;

        if (y == 100) {
            y = 0;
        }
        repaint();
    }

    public static void main(String[] args) {
        JFrame JF = new JFrame ("Изток");
        JF.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
        JF.setSize (200,400);
        JF.add (new MoveWord());
        JF.setVisible (true);
    }

}