Measure heap used by each object in Java [closed]

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Can some suggest a good a free memory profiling tool which will show memory being used by each object in the heap separately. We are trying to profile our application and I used jconsole but its gives me 开发者_开发百科total memory usage only. I am using Eclipse and OC4J

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Visual VM can do it for you..

https://visualvm.java.net/

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Eclipse Memory Analyzer

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Not free, but IMHO the best one: http://www.yourkit.com/