摘要: 流程控制 1.Scanner next():以空白为结束符 Scanner scanner = new Scanner(System.in); System.out.print("使用next()输入:");//hello world if (scanner.hasNext()) { String 阅读全文
posted @ 2021-11-03 09:36 lohir 阅读(31) 评论(0) 推荐(0)