In java JDBC API is found in java.sql and javax.sql packages. There are some class and interface given bellow, which support into connectivity between interface and databases:
Driver Manager: It is manage all Drivers of JDBC environment and load the driver for connectivity.
Connection: It class create the object that represent Connection which is help in creating Prepared Statement and Callable Statement classes.
Statement: This object is used to execute query of database and store the value into Resultset object.
Prepared Statement: It is a precompiled SQL statement which performance is high than statement class.
Callable Statement: This type of the statement support like RDBMS stored procedure by help of this object we can execute the store database of any application.
ResultSet: Resultset object is used to store the result which is access from database using Statement, Prepared Statement and callable statement.
SQLException: Exception class is show the error or warning during the retrieve of database or at a time of connectivity