compiling sample FaceApplet: error: cannot find symbol

[sgnyjohn]

FaceApplet.java:50: error: cannot find symbol
classifier = new CvHaarClassifierCascade(cvLoad(classifierFile.getAbsolutePath()));
^
symbol: method cvLoad(String)
location: class FaceApplet

FaceApplet.java:101: error: cannot find symbol
CV_HAAR_FIND_BIGGEST_OBJECT | CV_HAAR_DO_ROUGH_SEARCH);
^
symbol: variable CV_HAAR_FIND_BIGGEST_OBJECT
location: class FaceApplet

FaceApplet.java:101: error: cannot find symbol
CV_HAAR_FIND_BIGGEST_OBJECT | CV_HAAR_DO_ROUGH_SEARCH);
^
symbol: variable CV_HAAR_DO_ROUGH_SEARCH
location: class FaceApplet

[saudet]

It needs to be updated