What does the Java 8 StringJoiner Class mean? How can we use the StringJoiner Class to join several Strings?

Question

Q:

What does the Java 8 StringJoiner Class mean? How can we use the StringJoiner Class to join several Strings?

Answer 1

StringJoiner is a new class that was added to the java.util package in Java 8. With the help of this class, we may combine numerous strings that have been separated by delimiters and add prefixes and suffixes to them.