public class Test{    public static void main(String[] args){        City w = new City();        City s = new City();        w.name = "wuhan";        w.latitude = 30.592760000000027;        w.longtitude =114.30443460845944;        s.name = "shanghai";        s.latitude = 31.230370000000004;        s.longtitude = 121.47288460845946;        System.out.println(w.name + " location:" + w.latitude + " " +  w.longtitude);    }}class City{    public String name;    public double latitude;    public double longtitude;}