What are the differences between `System.gc()` and `Runtime.gc()`?

Created May 4, 2012

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John Mitchell

The methods are basically equivalent. Both suggest to the JRE that it might be a good idea if the garbage collector actually does some work now.

Specifically, System.gc() is a static method so it's a wee bit more convenient to use rather than having to do e.g., Runtime.getRuntime().gc().

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What are the differences between System.gc() and Runtime.gc()?

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What are the differences between `System.gc()` and `Runtime.gc()`?