Display hour with SimpleDateFormat(“H”) in Java

To work with SimpleDateFormat class in Java, import the following package.

import java.text.SimpleDateFormat;

Now, set the format with SimpleDateFormat(“H”) to display hour in a day.

Format f = new SimpleDateFormat("H");

Now, get the hour −

String strHour = f.format(new Date());

The following is an example −

Example

 Live Demo

import java.text.Format;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Calendar;
public class Demo {
   public static void main(String[] args) throws Exception {
      // displaying current date and time
      Calendar cal = Calendar.getInstance();
      SimpleDateFormat simpleformat = new SimpleDateFormat("dd/MMMM/yyyy hh:mm:s");
      System.out.println("Today's date = "+simpleformat.format(cal.getTime()));
      // displaying hour
      Format f = new SimpleDateFormat("H");
      String strHour = f.format(new Date());
      System.out.println("Current Hour = "+strHour);
   }
}

Output

Today's date = 26/November/2018 08:00:2
Current Hour = 8