摘要:
Calendar 类分析:1 Calendar calendar = Calendar.getInstance();2 System.out.println(calendar.getTime());3 SimpleDateFormat simpleDateF... 阅读全文
摘要:
基础判断代码: 1 public class Test { 2 public static void main(String[] args) { 3 String string = "20721938472017411x"; 4 Pattern pattern... 阅读全文