Many books about JDBC and most of JDBC-related sample code floating around seems to assume that JDBC is used directly, meaning that database connection is established by the DriverManager, and is actually released when myJDBCConnection.close() method is called. In this case, all resources associated with this database connection, such as ResultSet and Statement objects (and whatever is used on the database side to implement them), are released as well.
There is a problem with this approach. When moving to

4 Areas of Your Company Where Your Audio Really Matters
Your company probably relies on audio more than you realize. Whether you’re creating a spoken text message to a colleague or giving a speech, you want your audio to shine. Otherwise, you could cause avoidable friction points and potentially hurt your brand reputation. For example, let’s say you create a