获取当前时间

import java.util.Calendar;

public class Time {
	public static void main(String[] args) {

		Calendar calendar = Calendar.getInstance();
		int hh = calendar.get(Calendar.HOUR);
		int mm = calendar.get(Calendar.MINUTE);
		int ss = calendar.get(Calendar.SECOND);

		System.out.println(hh + ":" + mm + ":" + ss);
	}
}