How to cut and replace String

Question

I have a following string which I have to split and replace with "/" on some condition**

String date = "20131105";

I want to change these string to "2013/11/05"

Edit:

I mean variable date must be String not Date data type

Answer 1

Do like this

Date date = new SimpleDateFormat("yyyyMMdd").parse("20131105");
String formattedDate = new SimpleDateFormat("yyyy/MM/dd").format(date);
System.out.println(formattedDate);

Output

2013/11/05

Answer 2

Use the substring method.

date = date.substring(0, 4) + "/" + date.substring(4, 6) + "/" + date.substring(6, 8);