Subtract 30 days from the calendar

       

import java.util.Calendar;

public class Main {
  public static void main(String[] args) {
    Calendar cal = Calendar.getInstance();

    System.out.println("Today : " + cal.getTime());

    // Subtract 30 days from the calendar
    cal.add(Calendar.DATE, -30);
    System.out.println("30 days ago: " + cal.getTime());

  }
}

Related examples in the same category

1.	Create a Date object using the Calendar class
2.	When does the UNIX date get into trouble
3.	Trivial class to show use of Date and Calendar objects
4.	Convert longs (time_t in UNIX terminology) to seconds
5.	Show use of Calendar objects
6.	How quickly can you press return
7.	Easter - compute the day on which Easter falls
8.	Show use of Calendar get() method with various parameters
9.	TimeComputation for processing sqrt and Input and Output operations.
10.	Bean to display a month calendar in a JPanel
11.	Show some date uses 1
12.	Show dates before 1970
13.	Compare Dates
14.	Compare File Dates
15.	If a date is after another date
16.	If a date is before another date
17.	Compute days between 2 dates
18.	Show some calendar calculations
19.	The best way to format a date/time is to use
20.	Create SimpleDateFormats from a string read from a file
21.	DateCalAdd -- compute the difference between two dates
22.	Show some date uses
23.	Calendar Demo
24.	DateDiff -- compute the difference between two dates
25.	DateAdd -- compute the difference between two dates
26.	Increment and Decrement a Date Using the Calendar Class
27.	Increment and Decrement Months Using the Calendar Class
28.	Add or subtract days to current date using Java Calendar
29.	Subtract days from current date using Calendar.add method
30.	Add hours to current date using Calendar.add method
31.	Subtract hours from current date using Calendar.add method
32.	Add minutes to current date using Calendar.add method
33.	Subtract minutes from current date using Calendar.add method
34.	Add months to current date using Calendar.add method
35.	Subtract months from current date using Calendar.add method
36.	Add seconds to current date using Calendar.add method
37.	Subtract seconds from current time using Calendar.add method
38.	Add week to current date using Calendar.add method
39.	Add hours, minutes or seconds to a date
40.	Subtract week from current date
41.	Add year to current date using Calendar.add method
42.	Add 10 months to the calendar
43.	Subtract 1 year from the calendar
44.	Subtract year from current date
45.	Calendar adjust date automatically
46.	Display Day of Week using Java Calendar
47.	Display Month of year using Java Calendar
48.	Display full date time
49.	Get a List of Month Names
50.	Get current date, year and month
51.	Get Week of month and year using Java Calendar
52.	Get the number of days in that month
53.	Get the current month name
54.	Get day, month, year value from the current date
55.	Convert day of the year to date
56.	Pass the year information to the calendar object
57.	Get the last date of a month
58.	Convert day of year to day of month
59.	Determine the day of the week
60.	Set with GregorianCalendar.YEAR, MONTH and DATE
61.	Determine if an hour is between an interval
62.	Parse a String to obtain a Date/GregorianCalendar object
63.	Try month in a leap year
64.	Determining If a Year Is a Leap Year
65.	Determining the Day-of-Week for a Particular Date
66.	Date and time with month
67.	Date and time with day and month fully spelled-out
68.	Formatting the Time Using a Custom Format
69.	Convert string date to long value
70.	Display date with a short day and month name
71.	Convert Date to String
72.	Validate a date Using DateFormat
73.	Get the day name
74.	Use the SimpleDateFormat from the java.text package
75.	Formatting date with full day and month name and show time up to milliseconds with AM/PM
76.	Getting the Current Time
77.	Output current time: %tc
78.	Swing: Date Time Editor
79.	Get day of week
80.	Convert milliseconds value to date
81.	Calculate the age
82.	Format a duration in ms into a string as "Days,Hours,minutes and seconds"
83.	Formatting Symbols for SimpleDateFormat
84.	Express a duration in term of HH:MM:SS
85.	Match Date
86.	Checks if two calendar objects represent the same local time.
87.	Checks if two date objects are on the same day ignoring time
88.	Checks if two date objects represent the same instant in time
89.	Calendar Comparator
90.	Calendar To String
91.	Formatter that caches formatted date information
92.	Date Format Cache.
93.	Date and time formatting utilities and constants.
94.	Formatting dates into Strings.
95.	Monitored GregorianCalendar
96.	RFC date format
97.	Utilities for java.util.Date
98.	Calendar operations
99.	Calendar Util

Subtract 30 days from the calendar : Calendar Date « Development Class « Java

Related examples in the same category