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  <title>Datakent Forum : Java ile tarih geçerli mi?</title>
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   <title>Java ile tarih geçerli mi? : Java ile girilen tarih ge&#231;erli...</title>
   <link>http://forum.datakent.com/forum_posts.asp?TID=2858&amp;PID=5733#5733</link>
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    <![CDATA[<strong>Yazar:</strong> <a href="http://forum.datakent.com/member_profile.asp?PF=1" rel="nofollow">murat turan</a><br /><strong>Konu:</strong> 2858<br /><strong>Gönderim Zamanı:</strong> 05.Subat.2016 Saat 11:24<br /><br />Java ile girilen tarih geçerli mi kontrolü nasıl yapabilirsiniz?<br><br><pre style="" ="lang-java prettyprint prettyprinted"><code><span ="kwd">final</span><span ="pln"> </span><span ="kwd">static</span><span ="pln"> </span><span ="typ">String</span><span ="pln"> DATE_FORMAT </span><span ="pun">=</span><span ="pln"> </span><span ="str">"dd-MM-yyyy"</span><span ="pun">;</span><span ="pln"></span><span ="kwd">public</span><span ="pln"> </span><span ="kwd">static</span><span ="pln"> </span><span ="kwd">boolean</span><span ="pln"> isDateValid</span><span ="pun">(</span><span ="typ">String</span><span ="pln"> date</span><span ="pun">)</span><span ="pln"> </span><span ="pun">{</span><span ="pln">        </span><span ="kwd">try</span><span ="pln"> </span><span ="pun">{</span><span ="pln">            </span><span ="typ">DateFormat</span><span ="pln"> df </span><span ="pun">=</span><span ="pln"> </span><span ="kwd">new</span><span ="pln"> </span><span ="typ">SimpleDateFormat</span><span ="pun">(</span><span ="pln">DATE_FORMAT</span><span ="pun">);</span><span ="pln">            df</span><span ="pun">.</span><span ="pln">setLenient</span><span ="pun">(</span><span ="kwd">false</span><span ="pun">);</span><span ="pln">            df</span><span ="pun">.</span><span ="pln">parse</span><span ="pun">(</span><span ="pln">date</span><span ="pun">);</span><span ="pln">            </span><span ="kwd">return</span><span ="pln"> </span><span ="kwd">true</span><span ="pun">;</span><span ="pln">        </span><span ="pun">}</span><span ="pln"> </span><span ="kwd">catch</span><span ="pln"> </span><span ="pun">(</span><span ="typ">ParseException</span><span ="pln"> e</span><span ="pun">)</span><span ="pln"> </span><span ="pun">{</span><span ="pln">            </span><span ="kwd">return</span><span ="pln"> </span><span ="kwd">false</span><span ="pun">;</span><span ="pln">        </span><span ="pun">}</span><span ="pln"></span><span ="pun">}<br><b><br>// ---------------------------------------------------------------------<br><br>Java 8 ve üzeri için kullanılabilecek diğer bir alternatif;<br><br></b></span></code><code><span ="kwd">public</span><span ="pln"> </span><span ="kwd">static</span><span ="pln"> </span><span ="kwd">boolean</span><span ="pln"> isDateValid</span><span ="pun">(</span><span ="kwd">int</span><span ="pln"> year</span><span ="pun">,</span><span ="pln"> </span><span ="kwd">int</span><span ="pln"> month</span><span ="pun">,</span><span ="pln"> </span><span ="kwd">int</span><span ="pln"> day</span><span ="pun">)</span><span ="pln"> </span><span ="pun">{</span><span ="pln">    </span><span ="kwd">boolean</span><span ="pln"> dateIsValid </span><span ="pun">=</span><span ="pln"> </span><span ="kwd">true</span><span ="pun">;</span><span ="pln">    </span><span ="kwd">try</span><span ="pln"> </span><span ="pun">{</span><span ="pln">        </span><span ="typ">LocalDate</span><span ="pun">.</span><span ="pln">of</span><span ="pun">(</span><span ="pln">year</span><span ="pun">,</span><span ="pln"> month</span><span ="pun">,</span><span ="pln"> day</span><span ="pun">);</span><span ="pln">    </span><span ="pun">}</span><span ="pln"> </span><span ="kwd">catch</span><span ="pln"> </span><span ="pun">(</span><span ="typ">DateTimeException</span><span ="pln"> e</span><span ="pun">)</span><span ="pln"> </span><span ="pun">{</span><span ="pln">        dateIsValid </span><span ="pun">=</span><span ="pln"> </span><span ="kwd">false</span><span ="pun">;</span><span ="pln">    </span><span ="pun">}</span><span ="pln">    </span><span ="kwd">return</span><span ="pln"> dateIsValid</span><span ="pun">;</span><span ="pln"></span><span ="pun">}</span></code><br></pre><br>]]>
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   <pubDate>Fri, 05 Feb 2016 11:24:04 +0000</pubDate>
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