code: public static MultiLineString readMultiLineString(ByteReader reader,
  			boolean hasZ, boolean hasM) {
  
  		MultiLineString multiLineString = new MultiLineString(hasZ, hasM);
  
  		int numLineStrings = reader.readInt();
  
  		for (int i = 0; i < numLineStrings; i++) {
  			LineString lineString = readGeometry(reader, LineString.class);
  			multiLineString.addLineString(lineString);
  		}
  
  		return multiLineString;
  	}
docs: Read a Multi Line String
  
  @param reader
  @param hasZ
  @param hasM
  @return multi line string