Editing Comparison of C Sharp and Java (section)

===== High-precision decimal numbers =====
C# has a type and literal notation for high-precision (28 decimal digits) decimal arithmetic that is appropriate for financial and monetary calculations.<ref>{{cite web |title=decimal |url=http://msdn.microsoft.com/en-us/library/364x0z75(v=vs.110).aspx | work=C# Reference |date=19 August 2012 |publisher=Microsoft}}</ref><ref name="thedecimaltype"/><ref>{{cite book | last=Mok | first=Heng Ngee |title=From Java to C? : a developer's guide |year=2003 |publisher=Addison-Wesley|location=Harlow, England | isbn=978-0-321-13622-0 | chapter=9.5. The decimal type}}</ref> Contrary to the {{mono|float}} and {{mono|double}} data types, decimal fractional numbers such as 0.1 can be represented exactly in the decimal representation. In the float and double representations, such numbers often have non-terminating binary expansions, making those representations more prone to round-off errors.<ref name=thedecimaltype>{{cite book | last=Sestoft | first=Jon Jagger, Nigel Perry, Peter |title=C? annotated standard |year=2007 |publisher=Elsevier/Morgan Kaufmann Publishers | location=Amsterdam | isbn=978-0-12-372511-0 | chapter=11.1.7 The decimal type}}</ref>

While Java lacks such a built-in type, the Java library does feature an ''arbitrary precision'' decimal type. This is not considered a language type and it does not support the usual arithmetic operators; rather it is a reference type that must be manipulated using the type methods. See more about arbitrary-size/precision numbers [[#Advanced numeric types|below]].