studenttest.java

Java程序设计技巧与开发实例附书源代码。

public class StudentTest
{  public static void main(String args[])
   {  Student nobody = new Student();
      Student promise = new Student("张三");
      Student goodStudent = new Student(4.0);
      Student top = new Student("张三", 4.0);
      nobody.showStudent();
      promise.showStudent();
      goodStudent.showStudent();
      top.showStudent();
   }
}