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)