Hi guys, i am trying to add a image as the background for my project but cant get my code right, heres what I got so far

//beginning of 1
import java.awt.Graphics2D;
import java.awt.Toolkit;
import java.awt.image.BufferedImage;
import javax.swing.JPanel;

/**
 */
public class makeB extends JPanel {
    private BufferedImage buffer;

    private void initialise() {
        buffer = new BufferedImage(700, 500, BufferedImage.TYPE_INT_RGB);
    }

    private void drawBuffer() {
        Graphics2D b = buffer.createGraphics();
        createBackGround.makeBackground(b,this);
        b.dispose();
    }

     private void drawScreen() {
        Graphics2D g = (Graphics2D) this.getGraphics();
        g.drawImage(buffer, 0, 0, this);
        Toolkit.getDefaultToolkit().sync();
        g.dispose();
    }
     public void startGame() {
            initialise();
            drawBuffer();
            drawScreen();
    }
}
//end

//beginning of 2
import javax.swing.JFrame;

/**
 */
public class gameScreen {
    private makeB panel = new makeB();
    private JFrame jFrame1;
    public gameScreen(){
            panel = new makeB ();
            jFrame1 = new JFrame("&Wave&");
            jFrame1.setSize(706, 528); //to account for the border; size is actually 800x600
            jFrame1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
            jFrame1.setLocationRelativeTo(null); //to make sure that it is in the centre of the screen
            jFrame1.getContentPane().add(panel);
            jFrame1.setResizable(false);
            jFrame1.setVisible(true);

    }
    private void go() {
        panel.startGame();
    }
    public static void main(String[] args) {
        gameScreen newClass = new gameScreen();
        newClass.go();
    }
}
//end


//beginning of 3
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.image.ImageObserver;
import javax.swing.ImageIcon;

/**
 */
public class createBackGround {
    private static String  imageN = "#big-wave#";
    private static Image backg = new ImageIcon(".\\data"+ imageN +".jpg").getImage();


    public static void makeBackground(Graphics2D g2,ImageObserver o) {
    g2.drawImage(backg, 0, 0, o);
    }


}
//end

there are 3 classes there, can someone help me refine it to get it to work
where there is #...# the image goes there, and where there &...& some name goes there

I don't think anyone has seriously used this technique since double-buffereing (etc) was introduced aroubd Java 1.5 (?).
Simply create a subclass of JPanel. Load your image into memory in the constructor. Override its paintComponent to paint your image onto the Graphics passed as parameter.

Can someone help me do that cause i have no clue

You have all the keywords for a Google search right there. There are so many examples on the web, you can't ask anyone to create yet another one.

@JamesCherrill

is not used, but to avoiding of catching the image, I'm not good in Graphics, but I saw a few suggestion to use byte[] and ImageObserver, but for JPanels Background, there is paintComponent best of ways (with boolean for repaint())

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