oracle interview questions for java developer

driver:Normally, there are three ways to load the driver:1) Class. forName (String) is used to initialize the static content of the driver when loading a class specified by a String in classLoader. In fact, the driver class calls DriverManager. registerDriver (driver); Method2) use System attributes: System. getProperty (). load (new FileInputStream ("Property File "));The advantage of specifying jdbc. driver = drivername in the property file is that multiple JDBC files can be loaded

static content of the driver at load time. In fact, the driver class calls Drivermanager.registerdriver (driver); 2 Use System Properties: System.getproperty (). Load (new FileInputStream ("Property File")); The advantage of specifying Jdbc.driver=drivername in a property file is that you can load multiple JDBC at the same time, instead of accessing the Java source code while changing the database, just modifying the property file 3) Direct Regist

oracle| problem I didn't want to write a tutorial like this, because since it's called a tutorial, it's going to be a history test, and for me, a rookie programmer, I just like to share some of my own experience. Can not be a method, irrelevant to the idea of where to speak. But some of the problems I can not help but to understand, because the current online many "tutorials" are in the beginners to the wrong, some are the author's personal understand