Something

import java.util.ArrayList;
import javax.imageio.*;
import javax.swing.*;
import java.awt.*;
import java.io.*;


public class Data {
	int clickCount = 0;
	ArrayList list = new ArrayList(0);
	int color = 0; //0=red,1=blue,2=green
	String filename="", newfilename="",routename="Not Implemented";
	Image map;
	int width, height, fullwidth, fullheight, wwidth, wheight; //pic variables
	
	public void openMap() {
		JFileChooser fc = new JFileChooser();
		fc.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
		fc.showOpenDialog(null);
		File inFile = fc.getSelectedFile();
		filename = inFile.getAbsolutePath();
        try {
        	map = ImageIO.read (inFile);
        } catch (IOException e) {
           JOptionPane.showMessageDialog(null, "ERROR:\n   Could not load map image");
           map = null;
           return;
        }
        fullwidth = width = map.getWidth(null);
        fullheight = height = map.getHeight(null);
        clickCount = 0;
        list.clear();
		} 
}