0_0_18961107_9806\Main.java:21: 错误: 非法字符: '\uff08' money+=(cost*amount); ^ 0_0_18961107_9806\Main.java:21: 错误: 非法字符: '\uff09' money+=(cost*amount); ^ 0_0_18961107_9806\Main.java:21: 错误: 不是语句 money+=(cost*amount); ^ 3 个错误