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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6. import java.time.*;
  7. import java.text.*;
  8.  
  9. /* Name of the class has to be "Main" only if the class is public. */
  10. class Ideone
  11. {
  12.  
  13.     public static String validarDataDate(Calendar dataReserva, Calendar dataEntrada, Calendar dataSaida) {
  14.  
  15.         if(dataEntrada.compareTo(dataReserva) >= 0 && dataSaida.compareTo(dataEntrada) > 0){
  16.         	return "tudo certo";
  17.         }else{
  18.         	return "algumas datas sao invalidas";
  19.         }
  20.     }
  21.  
  22. 	public static void main (String[] args) throws java.lang.Exception
  23. 	{
  24. 	    Date dataReserva = new SimpleDateFormat("dd/MM/yyyy").parse("20/04/2016");
  25.         Date dataEntrada = new SimpleDateFormat("dd/MM/yyyy").parse("22/04/2016");
  26.         Date dataSaida = new SimpleDateFormat("dd/MM/yyyy").parse("27/04/2016");;
  27.         Calendar cal1 =  Calendar.getInstance();
  28.         Calendar cal2 =  Calendar.getInstance();
  29.         Calendar cal3 =  Calendar.getInstance();
  30.         cal1.setTime(dataReserva);
  31.         cal2.setTime(dataEntrada);
  32.         cal3.setTime(dataSaida);
  33.         System.out.println(validarDataDate(cal1, cal2, cal3));// reserva menor que entrada que é menor que saida
  34.         System.out.println(validarDataDate(cal2, cal2, cal3));// reserva igual a entrada que é menor que saida
  35.         System.out.println(validarDataDate(cal2, cal1, cal3));// reserva maior que entrada que é menor que saida
  36.         System.out.println(validarDataDate(cal1, cal3, cal2));// reserva menor que entrada que é maior que saida
  37.  
  38.  
  39. 	}
  40. }
Success #stdin #stdout 0.13s 321280KB
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tudo certo
tudo certo
algumas datas sao invalidas
algumas datas sao invalidas
https://ideone.com/31qzCy
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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