Using MMA 9.0.1 on win7-64. When creating a large number of java objects I noticed memory being consumed in huge quantities (several Gb). This memory is returned/deallocated after my call ...
I have noticed that Mathematica makes use of Java by way of JLink, for example, in the extensions such as DatabaseLink and (I think) RLink. It also seems like Java is a first-class citizen for writing ...