19. Database Connectivity (e.g., JDBC)

Try these first

1. 1.

   What does JDBC stand for?

   Hint

   Think about how Java connects to databases.

2. 2.

   Name one type of JDBC driver.

   Hint

   Remember which driver is most commonly used nowadays.

3. 3.

   What is JDBC primarily used for?

   • To connect Java applications to the internet
   • To connect Java applications to databases
   • To create Java GUIs

   Hint

   Think about where data is stored.

4. 4.

   The PreparedStatement is used for __________.

   Hint

   Remember why we use it over Statement.

5. 5.

   Design a JDBC application that connects to a PostgreSQL database, retrieves data, and displays it. Outline the steps needed including handling exceptions.

   Hint

   Start by creating a simple Java program and plan the flow first.

6. 6.

   Discuss how you would implement transaction management in a banking application using JDBC. What complications might arise?

   Hint

   Think of the importance of ensuring a user’s balance is accurate after transactions.