How do I specify values in a properties file so they can be retrieved using ResourceBundle#getStringArray?

Question

I am trying to use ResourceBundle#getStringArray to retrieve a String[] from a properties file. The description of this method in the documentation

Answer 1

example:

mail.ccEmailAddresses=he@anyserver.at, she@anotherserver.at

..

myBundle=PropertyResourceBundle.getBundle("mailTemplates/bundle-name", _locale);

..

public List getCcEmailAddresses() 
{
    List ccEmailAddresses=new ArrayList();
    if(this.myBundle.containsKey("mail.ccEmailAddresses"))
    {
        ccEmailAddresses.addAll(Arrays.asList(this.template.getString("mail.ccEmailAddresses").split("\\s*(,|\\s)\\s*")));// 1)Zero or more whitespaces (\\s*) 2) comma, or whitespace (,|\\s) 3) Zero or more whitespaces (\\s*)
    }       
    return ccEmailAddresses;
}