[JAVA]随机省市

String citys[] = {"北京","广东","山东","江苏","河南","上海","河北","浙江","香港","山西","陕西","湖南","重庆","福建","天津","云南","四川","广西","安徽","海南","江西","湖北","山西","辽宁","内蒙古"};
int randomInt = r.nextInt(10000)%citys.length;