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This article mainly explains "how to close the connection with jdbc". The content in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn how to close the connection with jdbc.

Public Boolean exeUpdateSql (String sql) {/ / log.info ("cliockhouse execute update sql:" + sql); Connection connection = getConn (); Statement statement = null; ResultSet results=null; try {statement = connection.createStatement (); results= statement.executeQuery (sql); return true;} catch (Exception e) {e.printStackTrace () MyExceptionUtils.getExceptionInfo (e); return false;} finally {if (connectionmakers null) {try {connection.close ();} catch (SQLException e) {e.printStackTrace (); return false } connection = null;} if (results) {try {results.close ();} catch (SQLException e) {e.printStackTrace (); return false } results = null;} if (statementality null) {try {statement.close ();} catch (SQLException e) {e.printStackTrace (); return false } statement = null;} Thank you for your reading. The above is the content of "how to close the connection with jdbc". After the study of this article, I believe you have a deeper understanding of how to close the connection with jdbc, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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