package _6day;
class _Student {
public static void main(String[] args) {
class Student {
int age = 10;
String name = "张三";
double a = 100;
public Student(int age) {
System.out.println("Student age");
this.age = age;
}
public Student() {
}
public Student(int age, String name) {
this(age);
System.out.println("Student age,name");
this.name = name;
}
}
}}