0_0_12299005_12549\Main.java:5: 非法字符: \65288 Scanner s = new Scanner(System.in); ^ 0_0_12299005_12549\Main.java:5: 不是语句 Scanner s = new Scanner(System.in); ^ 0_0_12299005_12549\Main.java:5: 需要 ';' Scanner s = new Scanner(System.in); ^ 3 错误