19.13 - Best Practices in JDBC
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Practice Questions
Test your understanding with targeted questions
What is the purpose of using PreparedStatement in JDBC?
💡 Hint: Think about how it deals with user inputs.
What should you always do after executing a database operation?
💡 Hint: Why is this important for the application?
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main advantage of using PreparedStatement over Statement?
💡 Hint: Consider security vs. ease of use.
True or False: Connection pooling decreases the load on the database.
💡 Hint: Think about how many connections you open per user.
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Challenge Problems
Push your limits with advanced challenges
You are tasked to refactor a legacy Java application that uses raw SQL queries with Statement. Implement the necessary changes to secure it using PreparedStatement.
💡 Hint: Remember to replace concatenated inputs with placeholders.
Design a simple application that connects to a database and implements connection pooling using HikariCP. Describe your implementation steps.
💡 Hint: Think about what properties are needed for HikariCP setup.
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Reference links
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