《Java實戰開發經典》第五章5.1

package test;
class Address{
    private String country;
    private String province;
    private String city;
    private String street;
    private String postnumber;
    public Address(String country,String province,String city,String street,String postnumber){
        System.out.println("這是一位來自"+country+province+city+street+postnumber+"的顧客");
    }

}
public class LoginDemo02 {
public static void main(String[] args) {
    Address ad=new Address("中國","江蘇省","南京市","點將臺路","210031");

    }
}