this 关键字的使用

class Person00
{
private String name ;
private int age ;
public Person00(String name,int age)
{
this.name = name ;
this.age = age ;
}
public String talk()
{
return "我是："+name+"，今年："+age+"岁" ;
}
}
public class TestJavaThis {


public static void main(String[] args) {
// TODO Auto-generated method stub
Person00 p = new Person00("张三",25) ;
System.out.println(p.talk()) ;
}


}