packagecom.demo1;importjava.text.SimpleDateFormat;importjava.util.Calendar;importjava.util.Date;publicclassDemo9 {publicstaticvoidmain(String[] args) {
Date date=newDate();
System.out.PRintln(getDate(date,100));
}publicstaticString getDate(Date date,intday){//格式化时间工具类SimpleDateFormat sdf=newSimpleDateFormat("yyyy年MM月dd日");//万年历获取对象Calendar calendar=Calendar.getInstance();//设置时间为传进来的参数calendar.setTime(date);//+100天calendar.add(Calendar.DAY_OF_MONTH,100);//获取+100天后的日期Date tmp=calendar.getTime();//转换为指定下格式String day100=sdf.format(tmp);//返回returnday100;
}
}