Given a Stream of Strings, which code snippet concatenates all elements into a single String separated by commas?
Which class represents a specific geographical, political, or cultural region for localization purposes?
Which of the following code snippets correctly handles a potential IOException thrown while reading a file?
Which method of NumberFormat is used to format a currency value with the appropriate symbol and grouping for the locale?
What method of the Scanner class reads a single line of text from the standard input (console)?
What functionality is provided by the jdeps tool?
