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  1. import java.util.*;
  2. import java.text.*;
  3.  
  4. class Eveniment {
  5.     private Date dataInceput, dataSfarsit;
  6.     private String nume;
  7.     // Primeste 2 stringuri in format yyyy-MM-dd HH:mm:ss reprezentand data si ora
  8.     // de inceput si de final a evenimentului si inca un string care contine numele
  9.     // cu care apare evenimentul in calendar
  10.     public Eveniment(String dataInceput, String dataSfarsit, String nume) {
  11.         SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
  12.         try {
  13.             this.dataInceput = format.parse(dataInceput);
  14.             this.dataSfarsit = format.parse(dataSfarsit);
  15.         } catch (Exception e) {
  16.             System.out.println("Data nu este in formatul cerut!");
  17.         }
  18.         this.nume = nume;
  19.     }
  20.  
  21.     public Date getDataInceput() {
  22.         return dataInceput;
  23.     }
  24.  
  25.     public Date getDataSfarsit() {
  26.         return dataSfarsit;
  27.     }
  28.  
  29.     public String getNume() {
  30.         return nume;
  31.     }
  32. }
  33.  
  34. class EvenimentRecurent extends Eveniment{
  35.     private Date data;
  36.     private static int numarOre;
  37.  
  38.     public EvenimentRecurent(String dataInceput, String dataSfarsit, String nume, int numarOre){
  39.         super(dataInceput, dataSfarsit, nume);
  40.         this.numarOre = numarOre;
  41.     }
  42.  
  43.     public String urmatorulEveniment(String datadata){
  44.         SimpleDateFormat form = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
  45.         try {
  46.             data = form.parse(datadata);
  47.         } catch (Exception e) {
  48.             System.out.println("Data nu este in formatul cerut!");
  49.         }
  50.         Date aux = getDataInceput(); 
  51.         Calendar cal = Calendar.getInstance();
  52.         cal.setTime(aux);
  53.         Calendar c1 = Calendar.getInstance();
  54.         c1.setTime(data);
  55.         long seconds = (c1.getTimeInMillis() - cal.getTimeInMillis()) / 1000;
  56.         int hours = (int) (seconds / 3600);
  57.         double hrs = (seconds/ 3600.0);
  58.         int ev = hours / this.numarOre;
  59.         cal.add(Calendar.HOUR, (ev * this.numarOre));
  60.         while (hrs > (ev * this.numarOre)){
  61.         	cal.add(Calendar.HOUR, this.numarOre);
  62.         	++ev;
  63.         }
  64.         return form.format(cal.getTime());
  65.     }
  66. }
  67.  
  68. class prog {
  69.     public static void main(String[] args) {
  70.         EvenimentRecurent er = new EvenimentRecurent("2019-03-09 22:46:00",
  71.                 "2019-03-09 23:00:00", "Scris probleme", 24);
  72.         System.out.println(er.urmatorulEveniment("2019-04-19 22:46:23"));
  73.         // 2019-04-20 22:46:00
  74.     }
  75. }
Success #stdin #stdout 0.13s 36084KB
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2019-04-20 22:46:00
https://ideone.com/8SW98e
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
public

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