Any Java API for dumping database?

As far as I know, the normal way to dump a database is to execute some command on the console.
Is there any Java API for dumping a database, so that the operation can be wrapped in the code?
The database system that I'm using is MySQL. Please help. Thanks!

By "dumping a database" I mean exporting data in the database into a text file, as a backup, that can be used when restoring the database. For example, in MySQL, I can run "mysqldump" on the command line to dump the database into a file.
So far I still have no idea how to do this using JDBC or any other Java API. Please help!

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Hi,
Would anyone happen to know if there's a java API for executing entire ".sql" files (containing several different SQL commands), on a remote database server ?
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Just to demonstrate what i'm looking for:
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import java.util.Properties;
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batchs.addElement(part1 + i + part2);
for (int i = 4320; i > 4268; i--) {
batchs.addElement(part1 + i + part2);
batchs.addElement(part1 + i + part2);
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