Calendar set() Method in Java with Examples

The set(int calndr_field, int new_val) method in Calendar class is used to set the calndr_field value to a new_val. The older field of this calendar get replaced by a new field.

Syntax:

public void set(int calndr_field, int new_val)

Parameters: The method takes two parameters:

• calndr_field: This is of Calendar type and refers to the field of the calendar that is to be altered.
• new_val: This refers to the new value that is to be replaced with.

Return Value: The method does not return any value.

Below programs illustrate the working of set() Method of Calendar class:
Example 1:

// Java code to illustrate
// set() method

import java.util.*;
public class Calendar_Demo {
    public static void main(String args[])
    {

        // Creating a calendar
        Calendar calndr = Calendar.getInstance();

        // Displaying the month
        System.out.println("The Current Month is: "
                           + calndr.get(
                                 Calendar.MONTH));

        // Replacing with a new value
        calndr.set(Calendar.MONTH, 11);

        // Displaying the modified result
        System.out.println("Altered Month is: "
                           + calndr.get(
                                 Calendar.MONTH));
    }
}

Output:

The Current Month is: 1
Altered Month is: 11

Example 2:

// Java code to illustrate
// set() method

import java.util.*;
public class Calendar_Demo {
    public static void main(String args[])
    {

        // Creating a calendar
        Calendar calndr = Calendar.getInstance();

        // Displaying the Year
        System.out.println("The Current year is: "
                           + calndr.get(
                                 Calendar.YEAR));

        // Replacing with a new value
        calndr.set(Calendar.YEAR, 1996);

        // Displaying the modified result
        System.out.println("Altered year is: "
                           + calndr.get(
                                 Calendar.YEAR));
    }
}

Output:

The Current year is: 2019
Altered year is: 1996

Reference: https://docs.oracle.com/javase/8/docs/api/java/util/Calendar.html#set-int-int-