How To Convert Any Date Formats Into YyyyMMdd Format

package sample;
 
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale; 
public class NewClass { 
public static void main(String[] args) {
String value = "23-04-2012";
   String[] formats = {  
"yyyy:MM:dd" "yyyyMMdd", "dd-MM-yyyy","dd/MM/yyyy","MM-dd-yyyy","MM/dd/yyyy",};

[code].....

output i obtained:

Printing the value of yyyyMMdd

Date converted to yyyy-mm-dd0022-12-04

Expected Output:

Printing the value of dd-MM-yyyy

Date converted to yyyy-mm-dd2012-04-23