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凌翊CJV

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/** * @author cjv * 请定义一个City类,该class具有如下字段: * * name: 名称,String类型 * latitude: 纬度,double类型 * longitude: 经度,double类型 * 实例化几个City并赋值,然后打印。 */public class PracticeOOP {    public static void main(String[] args) {        City bj = new City();        bj.name = "Beijing";        bj.latitude = 39.903;        bj.longitude = 116.401;        System.out.println(bj.name);        System.out.println("location: " + bj.latitude + ", " + bj.longitude);    }    static class City {        String name;    // 名称        double latitude;    // 纬度        double longitude;   // 经度    }}

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