如何使GML / JTS Geometry在Java中有效？

<dependency>
    <groupId>org.locationtech.jts</groupId>
    <artifactId>jts-core</artifactId>
    <version>1.16.1</version>
</dependency>

import org.locationtech.jts.geom.Geometry;
import org.locationtech.jts.io.gml2.GMLReader;

public class GMLParser {
    public static void main(String[] args) {
        try {
            GMLReader gmlReader = new GMLReader();
            Geometry geometry = gmlReader.read("path/to/gml/file.gml");
            
            // 对Geometry对象进行进一步处理
            // ...
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

import org.locationtech.jts.geom.Geometry;
import org.locationtech.jts.geom.Point;
import org.locationtech.jts.geom.Polygon;
import org.locationtech.jts.operation.union.UnaryUnionOp;

public class GeometryProcessor {
    public static void main(String[] args) {
        // 创建Point对象
        Point point = new Point(1, 1);
        
        // 创建Polygon对象
        Polygon polygon = new Polygon();
        polygon.setExteriorRing(new LinearRing(new Coordinate[] {
            new Coordinate(0, 0),
            new Coordinate(0, 1),
            new Coordinate(1, 1),
            new Coordinate(1, 0),
            new Coordinate(0, 0)
        }), null);
        
        // 计算两个Geometry对象的并集
        Geometry union = UnaryUnionOp.union(point, polygon);
        
        // 对Geometry对象进行其他操作
        // ...
    }
}