yingyu.txt

2、 声明测试类TestStudent完成对多态性的测试：（1）在主方法中声明Student类的数组（含五个元素）。（2）生成五个对象存入数组

  Nowadays, some universities give students the right to choose who teaches some of their classes. This has led to some debate over whether students should be given this much power.

   There are several factors that students consider when choosing a lecturer, including the teaching style of the lecturer, the lecturer's academic background, and the lecturer's reputation among students. The ideal lecturer is one who has an interesting teaching style, a diverse academic background, and a good reputation among students.