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Java Duration Class | toHours() Method with Example

Duration Class toHours() method: Here, we are going to learn about the toHours() method of Duration Class with its syntax and example.
Submitted by Preeti Jain, on May 17, 2020

Duration Class toHours() method

• toHours() method is available in java.time package.
• toHours() method is used to convert this Duration into the number of hours.
• toHours() method is a non-static method, it is accessible with the class object only and if we try to access the method with the class name then we will get an error.
• toHours() method does not throw an exception at the time of converting this Duration to hours.

Syntax:

    public long toHours();

Parameter(s):

• None

Return value:

The return type of this method is long, it returns the number of hours exists in this Duration.

Example:

// Java program to demonstrate the example 
// of long toHours() method of Duration

import java.time.*;

public class ToHoursOfDuration {
    public static void main(String args[]) {
        // Instantiates two Duration objects
        Duration du1 = Duration.ofMinutes(305);
        Duration du2 = Duration.parse("P0DT0H60M10S");

        // Display du1 and du2
        System.out.println("du1: " + du1);
        System.out.println("du2: " + du2);

        // represents this Duration du1 in minutes into
        // number of hours i.e. 305M 5H:5M
        long to_hours = du1.toHours();

        // Display to_hours
        System.out.println("du1.toHours(): " + to_hours);

        // represent this Duration du2 in minutes into
        // number of hours i.e. 60M10S = 1H 10S hours
        to_hours = du2.toHours();

        // Display to_hours
        System.out.println("du2.toHours(): " + to_hours);
    }
}

Output

du1: PT5H5M
du2: PT1H10S
du1.toHours(): 5
du2.toHours(): 1