7b277e6d_JDK_Locale_Enhancement_Project__Description
[Class] java.util.Locale.Builder [Signature] [New Class] [Description] 
Builder is used to build instances of Locale from values configured by the setter. Unlike the Locale constructors, the Builder checks if a value configured by a setter satisfies the syntactical requirements defined by the Locale class.
Java Locale Enhancement Design Proposal - OpenJDK Locale Enhancement Project
Description