个人原创代码：编写Java Application程序，用散列表实现学生成绩单的存储和查询，并将若干个查询结果存放到一个向量中，通过循环将向量对象内容逐个输出。-The original code of the individual: Java Application program to write, store and query the hash table to achieve the students transcr ipts, and the number of query res