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Fastjson is a JSON processor (JSON parser + JSON generator) written in Java

There is a newer version: 2.0.53

package com.alibaba.fastjson2.support.geo;

import com.alibaba.fastjson2.annotation.JSONField;
import com.alibaba.fastjson2.annotation.JSONType;

/**
 * @since 1.2.68
 */
@JSONType(typeName = "Point", orders = {"type", "bbox", "coordinates"})
public class Point
        extends Geometry {
    private double longitude;
    private double latitude;

    public Point() {
        super("Point");
    }

    public double[] getCoordinates() {
        return new double[] {longitude, latitude};
    }

    public void setCoordinates(double[] coordinates) {
        if (coordinates == null || coordinates.length == 0) {
            this.longitude = 0;
            this.latitude = 0;
            return;
        }

        if (coordinates.length == 1) {
            this.longitude = coordinates[0];
            return;
        }

        this.longitude = coordinates[0];
        this.latitude = coordinates[1];
    }

    @JSONField(serialize = false)
    public double getLongitude() {
        return longitude;
    }

    @JSONField(serialize = false)
    public double getLatitude() {
        return latitude;
    }

    @JSONField(deserialize = false)
    public void setLongitude(double longitude) {
        this.longitude = longitude;
    }

    @JSONField(deserialize = false)
    public void setLatitude(double latitude) {
        this.latitude = latitude;
    }
}