import java.util.Random;
import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Graphics;

public class canv extends Canvas {

    public int w, h, v = 0, n = 5;
    public Random rnd;
    public int[] mass = new int[n];

    public canv() {
        w = getWidth();//ширина
        h = getHeight();//высота
        setFullScreenMode(true);
    }

    public void paint(Graphics g) {
        g.setColor(70, 70, 70);
        g.fillRect(0, 0, w, h);
        g.setColor(0, 255, 0);
        for (int i = 0; i < n; i++) {
            mass[i] = Math.abs(rnd.nextInt()) % 30;
            v += 15;
            g.drawString("mass" + i + "=" + mass[i], 0, v, 20);
            if ((mass[i] % 2) == 0) {
                g.drawString("mass2" + i + "=" + mass[i], 80, v, 20);
            }
        }
    }

    protected void keyPressed(int k) {
        int key = k;
        if (key == KEY_NUM2) {
            repaint();
        }
        if (key == KEY_NUM8) {
            repaint();
        }
    }
}