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Factory Pattern curiousjava.blogspot.com 6 Mar 2012 | 08:07 pm
This pattern is used when it must be decided at run time which one of several compatible classes is to be instantiated. For example, the abstract Collator class's getInstance() method returns a colla...
java.security.NoSuchAlgorithmException: Cannot find any provider supporting DES 解决方案 hwx.me 31 May 2012 | 05:17 pm
当我们使用DES等加密算法时，如下： Security.addProvider(new com.sun.crypto.provider.SunJCE()); //获得密钥 Key generateKey = new KeyTools().getKey(key.getBytes()); Cipher encryptCipher = Cipher.getInstance("DES"); 将用到该算法类...
Factory Pattern curiousjava.blogspot.com 6 Mar 2012 | 11:07 am
This pattern is used when it must be decided at run time which one of several compatible classes is to be instantiated. For example, the abstract Collator class's getInstance() method returns a colla...
Joomla 3 // Use of undefined constant DS – assumed ‘DS’ ou Call to undefined method JController::getInstance() erreurs404.net 14 Feb 2013 | 08:17 pm
Si vous utilisez Joomla 3.0 et que vous installez une extension prévue pour le version 2.5, vous risquez d’obtenir différents messages d’erreurs : Call to undefined method JController::getInstance() U...
