How to replace characters in a String for filename

Question

I'm using the LocalDateTime.now() method to get the current time and date for the filenames for file reports, and colons are not allowed in filename.

How can I replace every colon (":") with a period (".") in the String so it's acceptable to set as a filename?

See here : http://docs.oracle.com/javase/7/docs/api/java/lang/String.html#replace(char,%20char) — Fabinout, Jul 07 '15 at 15:09

score 6 · Answer 1 · edited May 23 '17 at 10:28

6

use format() method

How to parse/format dates with LocalDateTime? (Java 8)

DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH.mm");
String formattedDateTime = dateTime.format(formatter); // "2015-07-07 12.30"

http://ideone.com/bQGPE3

edited May 23 '17 at 10:28

Community

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answered Jul 07 '15 at 15:11

Kalpesh Soni

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score 1 · Answer 2 · answered Jul 07 '15 at 15:09

1

Take a look at string replace.

answered Jul 07 '15 at 15:09

Gerard Abello

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score 0 · Accepted Answer · answered Jul 07 '15 at 16:00

0

String.replace will solve this for you.

String date = "01:02:1990";
System.out.println(date); //01:02:1990
String amendedDate = date.replace(":", ".");
System.out.println(amendedDate); //01.02.1990

answered Jul 07 '15 at 16:00

Tom Beaufoy

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i know op asked a low level api question, but formatters exist to format dates – Kalpesh Soni Jul 07 '15 at 19:15

How to replace characters in a String for filename

3 Answers3