Inserting certain code into a custom class... How?

Question

I am trying to write a sprite class, however it isn't in just one class, where I made a whole working class and just declared a few variables (this is what I am trying to achieve.), but rather... a half-done class, with a procedure, and I would like to "insert" that procedure, or what is inside.

Here is the code of the half-done class (with variables already added):

package testowhat;

import java.awt.Component;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Rectangle;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
import javax.swing.JPanel;


public class Sprite extends Component {

Sprite(String image1) throws IOException, InterruptedException{
 playerConstructor(image1); 

}

Integer imgPosX;        Integer imgPosY;
Integer divideSize2;    Integer divideSize1;
Integer Height;         Integer Width;
Integer numberOfSpriteCells, numberOfSpriteLayers, numberOfCellsInALine, heightOfCells, widthOfCells, countingNumber1, countingNumber2;
BufferedImage player;
String image;
JPanel playerPanel = new JPanel() {    
        public void paint(Graphics g) {
            g.drawImage(player.getScaledInstance(player.getWidth()/divideSize1, player.getHeight()/divideSize2, Image.SCALE_DEFAULT), imgPosX, imgPosY, null);
        }     
};

private void playerConstructor(String image) throws IOException, InterruptedException {
    try {
        player = ImageIO.read(new File(image));
    } catch (IOException ex) {System.out.println("File is missing.");}
    //----------------------------------------------------------------------
    Height = player.getHeight()+10;
    Width = player.getWidth()+10;
    //----------------------------------------------------------------------
     playerPanel.setLocation(this.getLocation());
     playerPanel.setSize(this.getHeight(), this.getWidth());
    //----------------------------------------------------------------------
    playerPanel.setMinimumSize(new Dimension(Height, Width));
    playerPanel.setMaximumSize(new Dimension(Height, Width));
    //----------------------------------------------------------------------
    if (this.isVisible() == true) {
      playerPanel.setVisible(true);  
    }
    //----------------------------------------------------------------------
}    
}

And now here is what is inside the procedure:

     for (number2=1; number2<7; number2++) {
      doChange();
      Thread.sleep(100);
      sprite.repaint();
      sprite.playerPanel.repaint();
      if (number2 <= 7) {
          number2 = 1;
      }
  }

  .....

  //--------------------------------------------------------------------------
private void doChange() {
    sprite.imgPosX = sprite.imgPosX - 103;
    number = number + 1;
    sprite.repaint();
    sprite.playerPanel.repaint();
    if (number==3) {
        sprite.imgPosY = sprite.imgPosY - 89;
        sprite.imgPosX = 0;
    }
    if (number==6) {
        number = 0;
        sprite.imgPosX = 0;
        sprite.imgPosY = 0;
        sprite.repaint();
        sprite.playerPanel.repaint();
    }
}