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Source Code of QueryByAttribute

import edu.umn.gis.mapscript.imageObj;
import edu.umn.gis.mapscript.mapObj;
import edu.umn.gis.mapscript.layerObj;
import edu.umn.gis.mapscript.shapeObj;
import edu.umn.gis.mapscript.mapscriptConstants;



public class QueryByAttribute {
  public static void main(String[] args)  {
   
  String filter="A Point";
  mapObj map = new mapObj(args[0]);
  if (args.length == 2) {
    filter=args[1];
  } else {
    filter="A Point";
  }

  layerObj layer = map.getLayerByName("POINT");
  layer.setTemplate("template.html");

  layer.queryByAttributes(map,"FNAME", filter, mapscriptConstants.MS_MULTIPLE);
  layer.open();
  System.out.println( "Searched for: " +filter );       
  int results=layer.getNumResults();
  System.out.println( "Results number (should be always 1): " +results );
  for(int i=0;i<results;i++) {
    shapeObj shape=layer.getShape(layer.getResult(i));
    System.out.println( "shape["+i+"]=" +shape );
  }
  layer.close();


  }
}
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