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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.     public Eveniment(String dataInceput, String dataSfarsit, String nume) {
  8.         SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
  9.         try {
  10.             this.dataInceput = format.parse(dataInceput);
  11.             this.dataSfarsit = format.parse(dataSfarsit);
  12.         } catch (Exception e) {
  13.             System.out.println("Data nu este in formatul cerut!");
  14.         }
  15.         this.nume = nume;
  16.     }
  17.  
  18.     public Date getDataInceput() {
  19.         return dataInceput;
  20.     }
  21.  
  22.     public Date getDataSfarsit() {
  23.         return dataSfarsit;
  24.     }
  25.  
  26.     public String getNume() {
  27.         return nume;
  28.     }
  29. }
  30.  
  31. class EvenimentRecurent extends Eveniment{
  32.     private Date data;
  33.     private static int numarOre;
  34.  
  35.     public EvenimentRecurent(String dataInceput, String dataSfarsit, String nume, int numarOre){
  36.         super(dataInceput, dataSfarsit, nume);
  37.         this.numarOre = numarOre;
  38.     }
  39.  
  40.     public String urmatorulEveniment(String datadata){
  41.         SimpleDateFormat form = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
  42.         try {
  43.             data = form.parse(datadata);
  44.         } catch (Exception e) {
  45.             System.out.println("Data nu este in formatul cerut!");
  46.         }
  47.         Date aux = getDataInceput(); 
  48.         /*DecimalFormat crunchifyFormatter = new DecimalFormat("###,###");
  49.         long diff = data.getTime() - aux.getTime();
  50.         int diffsec = (int) (diff / (1000));//diferenta in secunde dintre cele doua date
  51.         double hoursec = diffsec / 3600.0;//convertirea diferentei din secunde in ore
  52.         int diffhours = (int) (diff / (60 * 60 * 1000));//diferenta in ore dintre cele doua date
  53.         int ev = diffhours / this.numarOre;*/
  54.         Calendar cal = Calendar.getInstance();
  55.         cal.setTime(aux);//vriabila cal de tip Calendar preia valoarea datei de inceput 
  56.         //cal.add(Calendar.HOUR, (ev * this.numarOre));//am adaugat la data de inceput multimpul numarului de ore la care se repeta evenimentul
  57.         Calendar c1 = Calendar.getInstance();
  58.         c1.setTime(data);
  59.         //if (hoursec > (ev * this.numarOre)){// in cazul in care numarul total de ore dintre data de inceput si data din urmatorulEveniment
  60.         //e mai mare decat ec * this.numarOre mai adaug numarul de ore inca o data
  61.          //   cal.add(Calendar.HOUR, this.numarOre);
  62.         //}*/
  63.         long seconds = (c1.getTimeInMillis() - cal.getTimeInMillis()) / 1000;
  64.         int hours = (int) (seconds / 3600);
  65.         System.out.println(hours);
  66.         //return form.format(cal.getTime());//am convertit data Calendar intr-un string
  67.         return datadata;
  68.     }
  69. }
  70.  
  71. class prog {
  72.     public static void main(String[] args) {
  73.         EvenimentRecurent er = new EvenimentRecurent("2019-03-08 22:46:00",
  74.                 "2019-03-09 23:00:00", "Scris probleme", 8);
  75.         System.out.println(er.urmatorulEveniment("2019-03-10 14:46:02"));
  76.         // 2019-04-20 22:46:00
  77.     }
  78. }
Success #stdin #stdout 0.13s 36424KB
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2019-03-10 14:46:02
https://ideone.com/HLI1hD
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
public

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