Sometimes you might want to get a quick impression of the memory usage of your Java application, or more specific, of your Oracle ADF application that is running on OC4J. There are a lot of tools (profilers) available to let you investigate this to a very detailed level. But most of the times these programs cost money and/or they are quite hard to work with (it takes some hours/ days to understand them). I am not saying these programs are not good, on the contrary, these programs will help you if you run into serious memory/threading issues with your software. But with this post I am aiming at the general Java developer that wishes to have a impression of the memory footprint of his application.
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