Java How to Program, Early Objects, 11th Edition

...  55                .mapToInt(m -> m.group().length())
56                .average().orElse(0));
57        }
58 }

37.4-1 Full Alternative Text

37.4.1 Methods appendReplacement and appendTail

The new Matcher method overloads appendReplacement (lines 24–25) and appendTail (line 29) are used with Matcher method find (line 23) and a StringBuilder in a loop to iterate through a String and replace every-regular expression match with a specified String. At the end of the process, the StringBuilder contains the original String’s contents updated with the replacements. Lines 13–26 proceed as follows:

• Line 13 creates a Pattern to match—in this case, the literal characters "an".

• Line 17 creates ...