| 发表于:2007-03-23 23:11:16 楼主 |
import java.util.*; public class reminder2 { timer timer; calendar calendar = new calendar.getinstance(); calendar.set(calendar.hour_of_day, 3); calendar.set(calendar.minute, 1); calendar.set(calendar.second, 0); date times = calendar.gettime(); public reminder2() { timer = new timer(); timer.schedule(new remindtask(), times); } class remindtask extends timertask { public void run() { system.out.println( "time 's up! "); timer.cancel(); } } public static void main(string[] args) { new reminder2(); system.out.println( "task scheduled "); } } 不知道这个程序在编译时总出现calendar.set(calendar.hour_of_day, 3); calendar.set(calendar.minute, 1); calendar.set(calendar.second, 0); 需要标识符的错误提示,而且我查了资料,set确实是calendar类的一个方法啊,希望各位高手指点指点,我查了很多资料也不知道错在哪里了? |
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