Java Calendar set() Method with Example

Calendar Class set() method: Here, we are going to learn about the set() method of Calendar Class with its syntax and example.
Submitted by Preeti Jain, on February 02, 2020

Calendar Class set() method

Syntax:

    public void set(int fi, int val);
    public final void set(int yy, int mm, int dd);
    public final void set(int yy, int mm, int dd, int hours, int min);
    public final void set(int yy, int mm, int dd, int hours, int min, int sec);

set() method is available in java.util package.
set(int fi, int val) method is used to sets the specified calendar field(fi) with the specified value(val).
set(int yy, int mm, int dd) method is used to puts the values for the given calendar fields month(mm), year(yy) & date(dd).
set(int yy, int mm, int dd, int hours, int min) method is used to puts the values for the given calendar fields year(yy), month(mm), date(dd), hours in a day(hours), & minutes(min).
set(int yy, int mm, int dd, int hours, int min, int sec) method is used to puts the value for the given calendar fields year(yy), month(mm), date(dd), hours in a day(hours), minutes(min), seconds(sec).
These methods don't throw an exception at the time of setting the values of the specified fields.
These are non-static methods, so it is accessible with the class object and if we try to access these methods with the class name then we will get an error.

Parameter(s):

In the first case set(int fi, int val),
- int fi – represents the calendar field need to be changed.
- int val – represents the value for the given calendar field(fi).
In the second case, set(int yy, int mm, int dd),
- int yy – represents the value for the calendar field year(yy).
- int mm – represents the value for the calendar field month(mm).
- int dd – represents the value for the calendar field date(dd).
In the third case, set(int yy, int mm, int dd, int hours, int min),
- int yy – represents the value for the calendar field year(yy).
- int mm – represents the value for the calendar field month(mm).
- int dd – represents the value for the calendar field date(dd).
- int hours – represents the value for the calendar field hours(hours).
- int min – represents the value for the calendar field minutes(min).
In the fourth case, set(int yy, int mm, int dd, int hours, int min, int sec),
- int yy – represents the value for the calendar field year(yy).
- int mm – represents the value for the calendar field month(mm).
- int dd – represents the value for the calendar field date(dd).
- int hours – represents the value for the calendar field hours(hours).
- int min – represents the value for the calendar field minutes(min).
- int sec – represents the value for the calendar field seconds(sec).

Return value:

In all the cases , the return type of the method is void, it returns nothing.

Example:

// Java Program to demonstrate the example of
// void set() method of Calendar

import java.util.*;

public class Set {
    public static void main(String args[]) {
        // Instantiating a Calendar object
        Calendar ca = Calendar.getInstance();

        // Display calendar
        System.out.println("ca: " + ca.getTime());

        // By using set(int fi, int val) is to set
        // the month field to 6 of this calendar
        ca.set(Calendar.MONTH, 6);

        // Display calendar
        System.out.println("ca.set(Calendar.MONTH, 6): " + ca.getTime());

        // By using set(int yy, int mon,int date) is to set
        // the year, month & date field of this calendar 
        ca.set(1998, 06, 12);

        // Display calendar
        System.out.println("ca.set(1998,06,12): " + ca.getTime());

        // By using set(int yy, int mon,int date, int hour_of_day, int min)
        // is to set the year, month , date , hours and minute 
        // field of this calendar 
        ca.set(1998, 06, 12, 06, 30);

        // Display calendar
        System.out.println("ca.set(1998,06,12,06,30): " + ca.getTime());

        // By using set(int yy, int mon,int date, int hour_of_day, int min, int sec)
        // is to set the year, month , date , hours and minute and seconds
        // field of this calendar 
        ca.set(1998, 06, 12, 06, 30, 20);

        // Display calendar
        System.out.println("ca.set(1998,06,12,06,30,20): " + ca.getTime());

    }
}

Output

ca: Sat Feb 01 21:14:13 GMT 2020
ca.set(Calendar.MONTH, 6): Wed Jul 01 21:14:13 GMT 2020
ca.set(1998,06,12): Sun Jul 12 21:14:13 GMT 1998
ca.set(1998,06,12,06,30): Sun Jul 12 06:30:13 GMT 1998
ca.set(1998,06,12,06,30,20): Sun Jul 12 06:30:20 GMT 1998

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