What does StringUtils isEmpty do?
What does StringUtils isEmpty do? StringUtils. isEmpty() is used to find if the String has length zero or value is null. It not only checks if the String has length zero or value is null, but also checks if it is only a whitespace string, i.e. “\s*”. What is StringUtils? StringUtils provides null-safe methods for handling Strings and is probably the most commonly used class in the Apache Commons project. What is StringUtils hasText in Java? hasText. public static boolean hasText(@Nullable String str) Check whether the given String contains actual text. More specifically, this method returns true if the String...