实验内容 回文，冒泡排序，十进制转换成二进制，二进制转换成十六进制，输入数据 存入文件 并从文件中读出并显示在屏幕上-Palindrome content of the experiment, Bubble Sort, decimal converted to binary, hexadecimal into binary, the input data into the file and read from the document and display on the screen