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Often, we wish to Format the Date and Time information into a given format, either for displaying the same to the end user or for further processing. Java contains formatting classes which can be used to format a date into a desired format. The most commonly used class for formatting dates is the SimpleDateFormat class. The SimpleDateFormat class takes format string as input to its constructor and returns a format object which can then be used to format Date objects. Calling the format() method of the SimpleDateFormat object will return a string that contains the formatted representation of the Date that is passed into the method as a parameter. The table below contains Time and Date Format Codes which can be used to format the Date Object.

JDBC has been a widely used API since long for interaction between Java Programs and various Databases. From a Java programmer’s perspective,JDBC API serves the following mentioned functions:

• Loading the appropriate JDBC Driver
• Creating connection with a database or a table based datasource.
• Sends SQL Statements to the database/source.
• Processing of the retrieved results.

Loading the driver is accomplished either by setting the jdbc.drivers system property, or by dynamically loading the appropriate driver class with a call to Class.forName(). try { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); Class.forName("com.oracle.jdbc.OracleDriver"); } catch (ClassNotFoundException e) { /* Handle Exception */ }Type of JDBC Drivers There are essentially four different types of JDBC Drivers which are categorized as