实现一个数据单元，包括学号和姓名两部分。 编写两个线程，一个线程写数据，一个线程读数据。 要求每写一次就往出读一次-Implement a data unit, including the student number and name of two parts. The preparation of two threads, one thread to write data, a thread reading the data. Asked each to write once sta