http://www.vincenzodevivo.com/wiki/ 2026-05-30T11:40:58+02:00 http://www.vincenzodevivo.com/wiki/ http://www.vincenzodevivo.com/wiki/lib/images/favicon.ico text/html 2011-05-14T00:00:45+02:00 http://www.vincenzodevivo.com/wiki/doku.php?id=code:java:csv&rev=1305324045&do=diff Come leggere e scrivere un file CSV in Java Usando JavaCSV Read CSV from file /* File Format: ----------- ProductID,ProductName,SupplierID,CategoryID,QuantityPerUnit,UnitPrice,UnitsInStock,UnitsOnOrder,ReorderLevel,Discontinued 1,Chai,1,1,10 boxes x 20 bags,18,39,0,10,FALSE 2,Chang,1,1,24 - 12 oz bottles,19,17,40,25,FALSE */ import java.io.FileNotFoundException; import java.io.IOException; import com.csvreader.CsvReader; public class CsvReaderExample { public static void main(Str… text/html 2011-05-15T15:45:24+02:00 http://www.vincenzodevivo.com/wiki/doku.php?id=code:java:datetime&rev=1305467124&do=diff Ottenere la data attuale come stringa in Java How to get current date time in Java as a string Calendar now = Calendar.getInstance(); SimpleDateFormat sdf = new SimpleDateFormat("HH:mm:ss z dd/MM/yyyy"); String stringDate = sdf.format(now.getTime()); // 20:00:52 CEST 13/05/2011 text/html 2011-05-13T23:40:31+02:00 http://www.vincenzodevivo.com/wiki/doku.php?id=code:java:filedir&rev=1305322831&do=diff Come creare un struttura di directory da un path in Java How to create directory and all sub-directories in Java Logger logger = LoggerFactory.getLogger(MyClass.class); String path = "C:/files/docs"; File myFolder = new File(path); if (!myFolder.exists()) { if (!myFolder.mkdirs()) { logger.error("Cannot create folders at '{}'", myFolder.getPath()); } else { logger.info("Folders created at '{}'", myFolder.getPath()); } } text/html 2011-06-13T20:54:53+02:00 http://www.vincenzodevivo.com/wiki/doku.php?id=code:java:invocare_un_processo_asincrono&rev=1307991293&do=diff Asynchronous processing in Java Classe Runnable: public class MyThread implements Runnable { private String myPath; public MyThread (String myPath) { this.myPath= myPath; } public void run() { try { ... } catch (Exception ex) { ... } } } text/html 2011-05-04T20:58:16+02:00 http://www.vincenzodevivo.com/wiki/doku.php?id=code:java:regular_expressions&rev=1304535496&do=diff Come dividere una stringa in un array quando viene trovata una lettera maiuscola Split string when an uppercase letter is found String str = "stringaDaDividere"; String[] strArray = str.split("(?=\\p{Lu})"); // espressione regolare /* Produrrà un array con i seguenti elementi: - stringa - Da - Dividere */ text/html 2014-09-17T16:46:57+02:00 http://www.vincenzodevivo.com/wiki/doku.php?id=code:java:spring&rev=1410965217&do=diff Richiamare un metodo di una classe mediante bean spring e ottenere un valore per poi usarlo in un altro bean <bean id="connection.url" class="org.springframework.beans.factory.config.MethodInvokingFactoryBean"> <property name="targetClass"><value>com.vincenzodevivo.Config</value></property> <property name="targetMethod"><value>getProperty</value></property> <property name="arguments"> <list> <value>connection.url</value> </list> </property> </bean> <bean id="test" class="c… text/html 2011-04-28T22:58:53+02:00 http://www.vincenzodevivo.com/wiki/doku.php?id=code:java:start&rev=1304024333&do=diff text/html 2012-05-02T14:57:17+02:00 http://www.vincenzodevivo.com/wiki/doku.php?id=code:java:string_utils&rev=1335963437&do=diff Pattern UpperCase/LowerCase public static String patternLowerCase(String pattern, String string) { if (string == null){ return null; } Matcher m = Pattern.compile(pattern).matcher(string); StringBuffer sb = new StringBuffer(); while (m.find()) { m.appendReplacement(sb, m.group().toLowerCase()); } m.appendTail(sb); return sb.toString(); } public static String patternUpperCase(String pattern, Stri… text/html 2011-05-16T23:27:03+02:00 http://www.vincenzodevivo.com/wiki/doku.php?id=code:java:varie&rev=1305581223&do=diff Metodo con un numero variabile di argomenti in Java Method with a variable number of arguments public String appendString(String str, String... params) { String ret = str; for (String param: params) { ret+= param; } return ret; }