Operations on String that are
The StringUtils class defines certain words related to
StringUtils handles null input Strings quietly.
That is to say that a null input will return null.
Where a boolean or int is being returned
details vary by method.
A side effect of the null handling is that a
NullPointerException should be considered a bug in
StringUtils (except for deprecated methods).
Methods in this class give sample code to explain their operation.
The symbol * is used to indicate any input including null.