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public static void main(String[] args) {
// TODO Auto-generated method stub
String str="2020-11-11 00:21:00";
SimpleDateFormat format=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
SimpleDateFormat format12=new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
try {
Date date=format.parse(str);
System.out.println(date);
System.out.println(format12.format(date));
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}