public class Main {

    public static void main(String[] args) {

        Person ming = new Person();

        Person hong = new Person();

        ming.setName("Xiao Ming");

        // TODO: 给Person增加重载方法setName(String, String):

        hong.setName("Xiao", "Hong");

        System.out.println(ming.getName());

        System.out.println(hong.getName());

    }

}

class Person {

    private String name;

    public Person() {

        this.name = name;

        }

    public String getName() {

        return this.name;

    }

    public void setName(String name) {

        this.name = name;

    }

    public void setName(String firstname,String lastname) {

        this.name = firstname+" "+lastname;

    }

}