19.4 - Basic Steps in JDBC Programming
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Practice Questions
Test your understanding with targeted questions
What is the JDBC package used for?
💡 Hint: Think about what classes are included.
Why is it important to close the connection?
💡 Hint: Consider what happens to resources that are not released.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
Which method is used to establish a connection in JDBC?
💡 Hint: Think about what the DriverManager class does.
True or False: You can skip loading the driver in JDBC after version 4.0.
💡 Hint: Consider how updates might simplify the process.
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Challenge Problems
Push your limits with advanced challenges
Consider a scenario in which your application needs to connect to multiple databases. How would you manage JDBC connections effectively to avoid resource leaks?
💡 Hint: Think about scalability and reusability.
Create a simple JDBC program that connects to a MySQL database, retrieves all user data, and displays it. Ensure to handle exceptions and close connections properly.
💡 Hint: Ensure you utilize both `ResultSet` to collect results and close resources at the end.
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