不行抛出异常: java.lang.IllegalArgumentException: Cannot format given Object as a Date at java.text.DateFormat.format(DateFormat.java:270) at java.text.Format.format(Format.java:121) at untitled1.time.main(time.java:20)Exception in thread "main" 代码如下: Calendar newdate =Calendar.getInstance(); newdate.add(Calendar.HOUR,-14); SimpleDateFormat formatter = new SimpleDateFormat ("yyyy-MM-dd HH"); String dateString = formatter.format(newdate);
java.lang.IllegalArgumentException: Cannot format given Object as a Date at java.text.DateFormat.format(DateFormat.java:270) at java.text.Format.format(Format.java:121) at untitled1.time.main(time.java:20)Exception in thread "main"
代码如下:
Calendar newdate =Calendar.getInstance();
newdate.add(Calendar.HOUR,-14);
SimpleDateFormat formatter = new SimpleDateFormat ("yyyy-MM-dd HH");
String dateString = formatter.format(newdate);