jgc.Rd.jgc invokes the R and Java garbage collectors.
.jgc(R.gc = TRUE, ...)logical, if TRUE then gc(...) is called
first, if FALSE only Java garbage collector is called
any additional parameters passed to gc()
.jgc invokes the R garbage collector (unless
R.gc=FALSE) which removes any unused Java references and then
invokes the Java garbage collector to reclaim Java heap space.