package ssss;
public class dwd {
public static void main(String[] args) {
// 看二进制表示，最高位是1就是负数，值0就是正数。
System.out.println("------负数左移-------------------...
<THEAD ...>, <TBODY ...>, and <TFOOT ...> establish groups of rows. <THEAD ...> indicates that a group of rows are the header rows at the top of the table. <TBODY ...> in...
