What is the ResourceBundle class?A ResourceBundle is a group of related sub classes which are sharing the same base name. For example, ButtonLabel is the base name. All the characters following the base name indicate the following elements respectively.
language code, country code,platform code.
Example : Locale.ButtonLabel_en_GB_Unix - It matches the Locale specifies the code for English language(en) and the country code for Great Britain(GB) and the UNIX platform.