File APIs for Java Developers
Manipulate DOC, XLS, PPT, PDF and many others from your application.
The moose likes Beginning Java and the fly likes question about replace(',','') Big Moose Saloon
  Search | Java FAQ | Recent Topics | Flagged Topics | Hot Topics | Zero Replies
Register / Login
JavaRanch » Java Forums » Java » Beginning Java
Bookmark "question about replace( Watch "question about replace( New topic

question about replace(',','')

nick wall

Joined: Aug 27, 2003
Posts: 5
I have searched this forum and found various solutions to my problem (involving looping over string etc.), but I am still a little confused about the replace method (This is actually with reference to page 295 of Head First Java).
I am trying to replace the commas in 1,234,567 with "blank spaces" to get 1234567. If I use:
myString.replace(',', '') I get an "empty character literal" compiler error. If I do: static char nullChar; myString.replace(',',nullChar); that places a space.
How does one assign a char myChar = "null character"?
Any comments greatly appreciated.
Joel McNary

Joined: Aug 20, 2001
Posts: 1824

I'm not sure that you can do it with the replace method, simply because there is not concept of the "empty character". You would probably want to do it with the replaceAll method, which replaces strings -- which does have the "empty string" concept.

Piscis Babelis est parvus, flavus, et hiridicus, et est probabiliter insolitissima raritas in toto mundo.
I agree. Here's the link:
subject: question about replace(',','')
jQuery in Action, 3rd edition