Which resources have their close() method called when this code runs?
public static void runQuery(Connection conn) throws SQLException {
try (Statement stmt = conn.createStatement()) {
ResultSet rs = stmt.executeQuery("select * from clowns");
rs.next();
}
}
A. No close() methods are called.
B. Only Statement
C. Only Statement and Connection
D. Only Statement and ResultSet
Answer
D. Only Statement and ResultSet
Explanation:
Since this code opens Statement using a try-with-resources, Statement gets closed automatically at the end of the block.
Further, closing a Statement automatically closes a ResultSet created by it, making Option D the answer. Remember that you should close any resources you open in the code you write.
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