class Person

 {

 private String name ;

 private int age ;

 public Person()

 {

 }

 public Person(String n,int a)

 {

 name = n;

 age = a;

 System.out.println(name+age) ;

 }

 public String talk()

 {

 return "我是： "+name+"，今年： "+age+"岁" ;

 }

 }

 public class Test

 {

 public static void main(String[] args)

 {

 Person p = new Person() ;

 System.out.println(p.talk()) ;