can anybody body help me to display a raster(.tif) file using java and

[moumita]

geotools....i had written some code? here is the code,but its not working dont knw y,
{ File file = chooser.getSelectedFile();
URL url=file.toURL();
WorldImageReader reader = new WorldImageReader( url );
MapContext map = new DefaultMapContext(reader.getCrs());
Style style = createStyle();
map.addLayer(reader.read(null), style);
map.setAreaOfInterest(new ReferencedEnvelope(reader.getOriginalEnvelope()));
OpenRaster.showMap(map);
}
worldimagereader is not working ..its not able to find the "reader" information...