String str = " Hello "; StringUtils.trimWhitespace(str); System.out.println(str); // Output: "Hello"
ListThis example uses the StringUtils.collectionToDelimitedString method to join a list of strings with a comma delimiter. Overall, the StringUtils package library in the Spring Framework for Java provides useful utilities that can simplify working with strings in Java applications.list = Arrays.asList("foo", "bar", "baz"); String joinedStr = StringUtils.collectionToDelimitedString(list, ","); System.out.println(joinedStr); // Output: "foo,bar,baz"