大家都知道simpleDateFormat是线程不安全的,所以java8中提供了更为方便的日期类型,以及线程安全的DateTimeFormatter日期格式化方法。代码如下:
Instant date = Instant.now();//代替date
System.out.println("instant:"+date);
LocalDate date2 = LocalDate.now();
System.out.println("LocalDate:"+date2);
LocalDateTime date3 = LocalDateTime.now();//代替calendar
System.out.println("LocalDateTime:"+date3);
DateTimeFormatter dtf = DateTimeFormatter.ofPattern("yyyy/MM/dd HH:mm:ss");//代替simpleDateFormat
System.out.println("DateTimeFormatter:"+dtf.format(date3));
原文:https://www.cnblogs.com/sikuaiwu/p/11393315.html