import java.util.*;
import java.text.*;
 
public class Main { 
    public static SimpleDateFormat englishUtcDateFormat(String format) throws Exception {
    SimpleDateFormat sdf = new SimpleDateFormat(format, Locale.ENGLISH);
    sdf.setTimeZone(TimeZone.getTimeZone("UTC"));
    return sdf;
}
 
   public static void main(String[] args) throws Exception {
     SimpleDateFormat input = englishUtcDateFormat("ddMMyyyy");
SimpleDateFormat output = englishUtcDateFormat("dd/MM/yyyy");
System.out.println(output.format(input.parse("02122012"))); // 02/12/2012
   }
 
}

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