Java.util.Calendar.isSet() Method


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Description

The java.util.Calendar.isSet(int field) method checks if the given calendar field has a value set.Cases that the value has been set by internal fields calculations triggered by a get method call are included.

Declaration

Following is the declaration for java.util.Calendar.isSet method

public final boolean isSet(int field)

Parameters

  • field -- The field to be checked.

Return Value

This method returns true if the given calendar field has a value set; false otherwise.

Exception

  • NA

Example

The following example shows the usage of java.util.calendar.isSet() method.

package com.tutorialspoint;

import java.util.*;

public class CalendarDemo {

   public static void main(String[] args) {

   // create a calendar
   Calendar cal = Calendar.getInstance();

   // display the current calendar
   System.out.println("Current Day is " + cal.get(Calendar.DAY_OF_MONTH));

   // determine if the given calendar field has a value set
   boolean b = cal.isSet(Calendar.DAY_OF_MONTH);
   System.out.println("Day of month is set: " + b);

   // clear day of month
   cal.clear(Calendar.DAY_OF_MONTH);

   // determine if the given calendar field has a value set
   b = cal.isSet(Calendar.DAY_OF_MONTH);
   System.out.println("Day of month is set: " + b);
   }
}

Let us compile and run the above program, this will produce the following result:

Current Day is 6
Day of month is set: true
Day of month is set: false

java_util_calendar.htm

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