public class Program { public static void main(String[] args) { StringBuffer buff = new StringBuffer("0123456789"); buff.delete(3,5); System.out.println(buff); } } System.out.println(buff)输出的结果是:
【简答题】听下面录音材料和问题,选择正确答案。 1. When does the history museum open? [ ] A. At 9:15. B. At 8:45. C. At 9:00. 2. How many times has the woman ever been to the history museum? [ ] A. Several times. B. Twice...