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  1. import java.util.Date;
  2. import java.text.DateFormat;
  3. import java.text.SimpleDateFormat;
  4. import java.text.ParseException;
  5. import java.util.Calendar;
  6. import java.util.concurrent.TimeUnit;
  7.  
  8. class Ideone
  9. {
  10.  
  11.   public static void main(String[] args)
  12.   {
  13.     try {
  14.     	System.out.print( diferencaHoras("02/01/2018 23:00", "03/01/2018 12:00") );
  15.     } catch(Exception e) {
  16.       	System.out.println(e.getMessage());
  17.     }
  18.   }
  19.  
  20.   public static int diferencaHoras(String h1, String h2) throws ParseException{
  21.  
  22. 	/* Alteração */
  23.     DateFormat df = new SimpleDateFormat("dd/MM/yyyy HH:mm");
  24.  
  25.     Date d1 = df.parse (h1);
  26.     Date d2 = df.parse (h2);
  27.  
  28.     long diff = d1.getTime() - d2.getTime();
  29.  
  30.     int diffHours = (int) (diff / (60 * 60 * 1000));
  31.  
  32.     return diffHours;
  33.   }
  34. }
Success #stdin #stdout 0.07s 4575232KB
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-13
https://ideone.com/GosexI
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

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