typeof

typeof "text"  ---->   string typeof 123   ------      number typeof Nan  ------>  number typeof "123"------>  string typeof []------>  object typeof {}------>  object typeof null------>  object typeof false------>  boolean typeof true------>  boolean

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Exact meaning of Class.forName(); in JDBC

Before going to discuss, need to discuss about Drivers. Inorder to connect a  java Application  with database ,  we need to follow the below important steps Use any JDBC  Driver class. This JDBC Driver class has to be instantiated. And Instantiated Driver class should be Registered with DriverManager class For Example: Let's take Type1-Driver(sun.jdbc.odbc.JdbcOdbcDriver) which … Continue reading Exact meaning of Class.forName(); in JDBC