public List<Point> readPoints(String shapefile){
  List<Point> list=new ArrayList<Point>();
  for (  SimpleFeature feature : ShapeFileReader.getAllFeatures(shapefile)) {
    Geometry geo=(Geometry)feature.getDefaultGeometry();
    if (geo instanceof Point) {
      Point ps=(Point)geo;
      for (int i=0; i < ps.getNumGeometries(); i++) {
        Point p=(Point)ps.getGeometryN(i);
        list.add(p);
      }
    }
 else {
      throw new RuntimeException("The shapefile does not contain Point(s)!");
    }
  }
  return list;
}

public List < Point > readPoints ( String shapefile ) { List < Point > list = new ArrayList < Point > ( ) ; for ( SimpleFeature feature : ShapeFileReader . getAllFeatures ( shapefile ) ) { Geometry geo = ( Geometry ) feature . getDefaultGeometry ( ) ; if ( geo instanceof Point ) { Point ps = ( Point ) geo ; for ( int i = 0 ; i < ps . getNumGeometries ( ) ; i ++ ) { Point p = ( Point ) ps . getGeometryN ( i ) ; list . add ( p ) ; } } else { throw new RuntimeException ( "The shapefile does not contain Point(s)!" ) ; } } return list ; }
reads a point feature shapefile .
