19.7 - ResultSet Interface
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Practice Questions
Test your understanding with targeted questions
What does the next() method in ResultSet do?
💡 Hint: Think about moving through rows one by one.
Is getString() used to retrieve integer values?
💡 Hint: Consider the name of the method and the data type.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of the ResultSet interface in JDBC?
💡 Hint: Think about where we work with data from queries.
True or False: The method next() moves the cursor in the ResultSet to the previous row.
💡 Hint: Consider the direction of the cursor movement.
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Challenge Problems
Push your limits with advanced challenges
Write a complete JDBC program that retrieves student data using ResultSet and handles potential exceptions.
💡 Hint: Use try-with-resources for automatically closing resources.
Suppose a student table has a column called 'email' that should be string but is being accessed with getInt(). Write a code snippet that would handle the exception appropriately.
💡 Hint: Always anticipate possible exceptions, especially when accessing columns with the wrong data type.
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