public class Study {    public static void main(String[] args) {        // TODO: 给Person增加构造方法:        Person ming = new Person(26);        System.out.println(ming.getName());        System.out.println(ming.getAge());    }}class Person {    private String name;    private int age;    public Person(){    }    public Person(String name,int age){        this.name=name;        this.age=age;    }    public Person(String name){        this(name,23);    }    public Person(int age){        this("王五",age);    }    public String getName() {        return name;    }    public int getAge() {        return age;    }}