JFileChooser: setSelectedFile(File file)
import java.io.File; import javax.swing.JFileChooser; public class Main { public static void main(String[] argv) throws Exception{ JFileChooser chooser = new JFileChooser(); File f = new File(new File("filename.txt").getCanonicalPath()); chooser.setSelectedFile(f); chooser.showOpenDialog(null); File curFile = chooser.getSelectedFile(); } }