java移動應(yīng)用開發(fā) javaweb寫個隨機(jī)點名的代碼?
javaweb寫個隨機(jī)點名的代碼?String[] arr = {"張三","李四","王五","xxx"....} String random = arr[new Random().nextI
javaweb寫個隨機(jī)點名的代碼?
String[] arr = {"張三","李四","王五","xxx"....} String random = arr[new Random().nextInt(arr.size())] System.out.println("隨機(jī)名字為:" random)