详细说明：1.编写一个学生类Student，包含的属性有：学号(String类型)、姓名(String类型)、性别(String)、年龄(int)；方法有： say()返回类型是void ，功能是向屏幕打印一行字“I am a Student!”。
2.在上题的基础上，编写一个类TestStudent实现学生对象的添加，在main方法中增加Student对象，编写程序完成以下功能：
1) 增加学生， “姓名：张三、学号：0001、性别：男、年龄：22。”
2) 分别输出张三的学号，姓名，性别，年龄
3.编写一个课程类Course,包含的属性有：课程编号(int类型)，课程名(String类型) 。包含方法：设置课程、获得课程。
4.在Student类中添加一个属性：课程(Course类)
在类TestStudent中添加一个学生信息如下
“课程编号：1；课程名称：java； 姓名：张三 ；学号：0001； 性别：男 ；年龄：22。”
5.在Student类中添加构造方法初始化所有属性。提示：参考讲过的Person类
-Writing student class Student contains attributes: student number (String type), name (String type), gender (String), age (int) method: say () return type is void, the function is toscreen print his words "I am a Student!".
On the theme based on a class TestStudent students object to add to increase Student object in the main method, write a program to perform the following functions:
1) increasing the number of students, "Name: Joe Smith, student number: 0001, Gender: Male, Age: 22."
2) Output seating the student number, name, sex, age.
Write a curriculum classes Course contains attributes: Course ID (int type), course name (String type). Contains: curriculum, access to courses.
4 in the Student class to add a property: Course (Course)
Add a student in class TestStudent below
Course Code: 1 Course Name: java name: Joe Smith Student ID: 0001 Gender: Male Age: 22. "
Add a constructor to initialize all of the properties in the Student class. Hint: spoken Person class