Java Data Type How to - Convert XX:XX AM/PM to 24 Hour Clock

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Question

We would like to know how to convert XX:XX AM/PM to 24 Hour Clock.

Answer

import java.text.SimpleDateFormat;
import java.util.Date;
//from   ww w  . j  ava  2  s  . c  om
public class Main {

  public static void main(String[] args) throws Exception {
    // Declare a date format for parsing
    SimpleDateFormat dateParser = new SimpleDateFormat("h:mm a");

    // Parse the time string
    Date date = dateParser.parse("3:30 PM");

    // Declare a date format for printing
    SimpleDateFormat dateFormater = new SimpleDateFormat("HH:mm");

    // Print the previously parsed time
    System.out.println(dateFormater.format(date));
  }
}

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