Question

How to convert from hours to milliseconds in Java

Answer 1

package javaapplication1;

import java.util.concurrent.TimeUnit;

public class JavaApplication1 {

    public static void main(String[] args) {
        
        System.out.println(TimeUnit.HOURS.toMillis(1)); // 1 hour in milliseconds
    }
}

/*

run:

3600000

*/

 

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Answer 2

package javaapplication1;

public class JavaApplication1 {

    public static void main(String[] args) {
        
        long hour = (1000 * 60 * 60); // 1 hour in milliseconds
        System.out.println(hour); 
    }
}

/*

run:

3600000

*/

 

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