MakeJavaExpr[expr] constructs a new Java object of the J/Link Expr class that represents the Mathematica expression expr.

ReleaseJavaObject[javaobject] tells the Java memory-management system to forget about any references to the specified JavaObject that are being maintained solely for the sake ...

RemovePeriodical[id] removes the computation corresponding to the integer id from the set of operations that are periodically performed automatically.

LibraryVersionString[lib] returns a string of library version information.

BeginNETBlock[] and EndNETBlock[] are equivalent to the NETBlock function, except that they work across a larger span than the evaluation of a single expression.

EndNETBlock[] and a preceding BeginNETBlock are equivalent to the NETBlock function, except that they work across a larger span than the evaluation of a single expression.

GetComplexType[] returns the .NET type that is currently mapped to Mathematica Complex numbers.

LoadedNETAssemblies[] returns a list of all the .NET assemblies that have been loaded into the current session.

LoadedNETObjects[] returns a list of all the .NET objects that have been loaded into the current session.

LoadedNETTypes[] returns a list of all the .NET types that have been loaded into the current session.