how to replace the \n in java?

I have working in Facebook for my app in Android. I have to use the string to pass as a url. Bu开发者_JAVA技巧t my description value has a lot of spaces and line breaks. I have to rectify while passing that value as url without spaces. But it will poste on the facebook wall with the spaces. Is it possible? Any Idea.

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When generating your URL parameters, use:

paramString = URLEncoder.encode(paramString, "utf-8");

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I'm not sure if you're asking how to properly encode the URL so it has no whitespace, or if you want to remove line breaks from a string. If you want to remove line breaks from a string, do this:

yourString.replaceAll("\n", "");