![]() Methods in this class include sample code in their Javadoc comments to explain their operation. NullPointerException should be considered a bug in That is to say that a null input will return null.Ī side effect of the null handling is that a StringUtils handles null input Strings quietly. trim - the characters whitespace - the characters defined by Character.isWhitespace(char).space - the space character ( ' ', char 32).The StringUtils class defines certain words related to ![]() the number of changes needed to change one String into another compares Strings and reports on their differences abbreviates a string using ellipses or another given String IsAlpha/IsNumeric/IsWhitespace/IsAsciiPrintable. ![]() counts the number of occurrences of one String in another
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