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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5.  
  6. class Ideone
  7. {
  8. 	public static String mostraData(String data) {
  9.         String[] array = data.split("/");
  10.         if (!(array.length == 3)) return data;
  11.         data = "";
  12.         for (String each : array)
  13.             data += String.format("%02d/", Integer.parseInt(each));
  14.         return data.substring(0, data.length() -1);
  15.     }
  16.  
  17.     public static void main(String[] args) {
  18.         System.out.println(mostraData("10/2"));
  19.         System.out.println(mostraData("10/2/2015"));
  20.         System.out.println(mostraData("5/2/2015"));
  21.         System.out.println(mostraData("10/12/15"));
  22.     }
  23. }
Success #stdin #stdout 0.1s 320256KB
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Standard input is empty
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10/2
10/02/2015
05/02/2015
10/12/15
https://ideone.com/dtAo2V
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

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