Re: simple help about JFileChooser

public void aaa(){
       JFileChooser chooser=new JFileChooser();
          chooser.setFileFilter(new FileFilter() {
           public boolean accept(File f) {
               String fileName = f.getName().toLowerCase();
               return fileName.endsWith(".txt") || f.isDirectory();
           }
           public String getDescription() {
               return "Text Files";
           }
       });
       chooser.showOpenDialog(this);
   }

oh,god ,i am sure there is no mistake in my mthhod on case sensitive.
i just copy it from a class to another class .and it go wrong and the
IDE
said that in javax.swing.JFileChooser can't applied to (<anonymous