What is DateUtils.setHours() in Java?

Overview

setHours() is a staticthe methods in Java that can be called without creating an object of the class. method of the DateUtils used to set the hours field of the Date object returning a new Date object. The original Date object remains unchanged.

How to import `DateUtils`

The definition of DateUtils can be found in the Apache Commons Lang package, which we can add to the Maven project by adding the following dependency to the pom.xml file:

<dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-lang3</artifactId>
            <version>3.12.0</version>
</dependency>

For other versions of the commons-lang package, refer to the Maven Repository.

You can import the DateUtils class as follows:

import org.apache.commons.lang3.time.DateUtils;

Syntax

public static Date setHours(final Date date, final int amount)

Parameters

final Date date: The original Date object.
final int amount: The new value of hours to set.

Return value

This method returns a new Date object with the hours’ field set to the specified value.

import org.apache.commons.lang3.time.DateUtils;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
public class Main{
    public static void main(String[] args) {
        Date date = new Date();
        DateFormat dateFormat = new SimpleDateFormat("dd/MM/yyyy HH:mm:ss:SS");
        int newHourValue = 5;
        Date newDate = DateUtils.setHours(date, newHourValue);
        System.out.printf("DateUtils.setHours(%s, %s) = %s", dateFormat.format(date), newHourValue, dateFormat.format(newDate));
    }
}

Explanation

From line 1 to line 5, we import the relevant packages.
In line 7, we create Main class.
In line 9, we make a main() function.
In line 10, we create a Date object.
In line 11, we create a SimpleDateFormat object with the format in which we want the dates to be printed.
In line 12, we define the new value of the hour field to set.
In line 13, we use the setHours() method to set the hours field of the date object defined in line 10.
In line 14, we print the original date, new hour value, and the new date object we obtained in line 13.

What is DateUtils.setHours() in Java?

Overview

How to import `DateUtils`

Syntax

Parameters

Return value

Code

Explanation

Output

What is DateUtils.setHours() in Java?

Overview

How to import DateUtils

Syntax

Parameters

Return value

Code

Explanation

Output

How to import `DateUtils`