java.util.LocaleLocale: Locale代表地区；每创建一个Locale对象就会代表一个政治地理位置；特点：在Date、Calendar等表示日期时间对象使用中由于不同地理位置及语言的不同会经常用到；对象获取方式：1. Locale locale = Locale.getDefault();2. Locale对象内置了国际常用的静态常量；可以直接获取；列举如下：public static final Locale CANADApublic static final Locale CANADA_FRENCHpublic static final Locale CHINApublic static final Locale CHINESEpublic static final Locale ENGLISHpublic static final Locale FRANCEpublic static final Locale FRENCHpublic static final Locale GERMANpublic static final Locale GERMANYpublic static final Locale ITALIANpublic static final Locale ITALYpublic static final Locale JAPANpublic static final Locale JAPANESEpublic static final Locale KOREApublic static final Locale KOREANpublic static final Locale PRCpublic static final Locale ROOTpublic static final Locale SIMPLIFIED_CHINESEpublic static final Locale TAIWANpublic static final Locale TRADITIONAL_CHINESEpublic static final Locale UKpublic static final Locale USEg：ChinaLocale对象获取：Locale locale = Locale.SIMPLIFIED_CHINESE3. 通过Locale对象构造函数获取：1. Locale(String language)2. Locale(String language, String country)3. Locale(String language, String country, String variant)说明：language与country获取可以通过其getAvailableLocales()接口获取；下面给出示例；示例：Locale[] availableLocales = Locale.getAvailableLocales();for (Locale locale:availableLocales) {System.out.println("locale :"+locale);}/*** 输出===zh_CN,en_US......* 其中 zh代表对应国家地区的通用语言；CN代表对应地区的国家名称简称；* 使用规则：language=zh；country=CN；*/Locale local = new Locale("zh", "CN");