下列哪个叙述是错误的? A. "9dog".matches("\\ddog")的值是true。 B."12hello567".replaceAll("[123456789]+","@")返回的字符串是@hello@。 C. new Date(1000)对象含有的时间是公元后1000小时的时间 D. "\\hello\n"是正确的字符串常量。
【简答题】读一读,选一选,将答案写在横线上。 1. Do you have T-shirts? Yes, I do. 2. Do you have a dress? No, I don't. But I have a skirt. 3. Do you have any shorts? No I don't. But I have some jeans. 4. Do you have any shoes? Y...