How to replace a word in a String?

Question

I'm using a String like:

String message = "%%NAME is inviting you";

I am using message.replaceAll("%%NAME", me); where me is a String. This line of code is not working for me. I was wondering what I was doing wrong?

Answer 1

Code looks more or less OK, though there may be some syntax issues. Here's a working example:

String message = "%%NAME is inviting you.";
String name = "Diana";
String result = message.replaceAll("%%NAME", name);

Answer 2

I would suggest using the format method instead of replaceAll in this case.

UPDATE - Example

String template = "%s is inviting you";
String name = "Bob";
String result = String.format(template, name);

Answer 3

String message = "%%name is inviting you";
String uname = "Keyser Sose";
message.replaceAll("%%name", uname);

...will not modify 'message' because Strings (in java) are immutable

String message = "%%name is inviting you";
String uname = "Keyser Sose";
message = message.replaceAll("%%name", uname);

..WILL work. (Note the re-assignment of 'message')