How to start a transaction in JDBC?

Question

Connection.setTransactionIsolation(int) warns:

Note: If this method is called during a transaction, the result is implementation-defined.

Answer 1

You can use these methods for transaction:

1. you must create the connection object like con
2. con.setAutoCommit(false);
3. your queries
4. if all is true con.commit();
5. else con.rollback();