Write a method, pass in a string, add 10 days to the string date, and return a string

Conversion between string, date and calendar

Write a method, pass in a string, return a string 10 days after adding the string

java String Date Calendar

Ideas

• String (String) -->Date -->Calendar -->Add time -->String (return)

##Create method
private static String getDays(String str) throws ParseException { //Set the date format SimpleDateFormat s = new SimpleDateFormat("yyyy-MM-dd"); //String to date Date d = s.parse(str) ; //Date to Calendar Calendar instance = Calendar.getInstance(); instance.setTime(d);

    //格式化后的日历
    //System.out.println(s.format(instance.getTime()));

    //日历添加时间10天
   instance.add(Calendar.DAY_OF_MONTH,10);
    //日历转字符串
    String dateStr = s.format(instance.getTime());
    System.out.println(dateStr);
    return dateStr;
}

].
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