class Person
{String name;int age;public String talk(){return "我是："+this.name+",今年："+this.age+"岁";}public Person()/* 无参数的构造函数*/{System.out.println("1.public Person(){}");}
}
class Student extends Person/*继承父类结构体*/
{String school;public Student()/*无参数的构造函数*/{System.out.println("2.public Student(){}");}public Student(String name,int age,String school)/*有参数的构造函数*/{super.name=name;/*用super来调用父类的变量*/super.age=age;/*用super来调用父类的变量*/System.out.print(super.talk());this.school=school;}
}
public class TestPerson 
{public static void main(String[] args) {Student s= new Student("韦启发",45,"广西师范大学");System.out.println("，学校；"+s.school);
//		s.name = "为启发";
//		s.age=45;
//		s.school="广西师范大学";
//		System.out.println("姓名："+s.name+"，年龄："+s.age+",学校："+s.school);
//		System.out.println("Hello World!");}
}