java移动应用开发 javaweb写个随机点名的代码？
javaweb写个随机点名的代码？String[] arr = {"张三"，"李四"，"王五"，"xxx"....} String random = arr[new Random().nextI
javaweb写个随机点名的代码？
String[] arr = {"张三"，"李四"，"王五"，"xxx"....} String random = arr[new Random().nextInt(arr.size())] System.out.println("随机名字为：" random)