Which of the following are classes of JDBC API?a)All of the mentionedb)Blob classc)Types classd)DriverManager classe)Clob class

All of the options mentioned are classes of JDBC API. These include:

a) Blob class: This class provides methods for getting the length of a BLOB (Binary Large Object) value, for materializing a BLOB value on the client, and for determining the position of a pattern of bytes within a BLOB value.

b) Types class: This class provides constants that are used to identify generic SQL types, called JDBC types.

c) DriverManager class: This class manages a list of database drivers. Matches connection requests from the java application with the proper database driver using communication subprotocol. The first driver that recognizes a certain subprotocol under JDBC will be used to establish a database Connection.

d) Clob class: This class provides methods for getting the length of a CLOB (Character Large Object) value, for materializing a CLOB value on the client, and for searching for a position of a pattern within a CLOB value.

So, the answer is a) All of the mentioned.