JFileChooser.setSelectedFiles(File [] selectedFiles) has the following syntax.
public void setSelectedFiles(File [] selectedFiles)
In the following code shows how to use JFileChooser.setSelectedFiles(File [] selectedFiles) method.
/* w ww .j a v a 2 s. c o m*/ 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.setSelectedFiles(new File[]{f}); chooser.showOpenDialog(null); File curFile = chooser.getSelectedFile(); } }