I have Java Map (out of Strings and Ints) objects that I want to save to a database. Is there a standard way to go about this task? Is there a way to compress the Map to take less space on the harddrive?
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Have a look to stackoverflow.com/questions/369916/…systempuntoout– systempuntoout2010-04-12 10:19:44 +00:00Commented Apr 12, 2010 at 10:19
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As a java object or the data it contains?Tomislav Nakic-Alfirevic– Tomislav Nakic-Alfirevic2010-04-12 11:23:26 +00:00Commented Apr 12, 2010 at 11:23
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1 Answer
You actually ask two different questions:
- How to save a Map object to a database
You need to create a database and an appropriate table. You can of source serialize the Map into a binary object and store that in the database as a BLOB. It will be better however to have a table entry for every object in the map. You need to use the JDBC API to communicate with the database.
- How to compress the Mao to take less space in the hard drive?
You need to serialize the Map to a file. The map will be saved in a binary file, which you can try to compress.
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