Setting Arabic numbering system locale doesn't show Arabic numbers
问题 I read this article: JDK 8 and JRE 8 Supported Locales, it stated that: Numbering systems can be specified by a language tag with a numbering system ID ╔═════════════════════╦══════════════════════╦══════════════════╗ ║ Numbering System ID ║ Numbering System ║ Digit Zero Value ║ ╠═════════════════════╬══════════════════════╬══════════════════╣ ║ arab ║ Arabic-Indic Digits ║ \u0660 ║ ╚═════════════════════╩══════════════════════╩══════════════════╝ Now, to demonstrate this, I wrote the