shu_shui的博客

原创 java中输入函数next的用法

用法获取控制台输入：Scanner in = new Scanner(System.in);输入整数：int a = in.nextInt();或者double a = in.nextDouble;输入字符串：String str = in.next();或者String str = in.nextLine();区别next()、nextInt()等和nextLine()的...