Multithreading c3p0 connection pool problem

You parents , brother novice Moren know how to use connection pooling c3p0
I think is to get an online source connection, and then through this connection to create a stmt, finished using the connection is closed and stmt it.
this does not feel right ah.
case of repetition to create multi-threaded and close connection it would be a waste of resources and time ?
solving .
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it is returned to the connection pool connection
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close the connection is returned to the thread pool ?
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is a drop
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is the connection pool
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Well, that use multiple threads , then, is multiplexed connection instead of a stmt ?
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connection pool Well, do not do is to provide the connection .
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Well, I think that is a direct close connection closed up