Feature 

Java  C# 

Lack of pointers 

Yes  Yes 

Single operator, the  dot  

Yes  Yes 

Unified type system 

Yes Yes 

(e.g. no varying range of the integer type) 

Boxing/un boxing of variables 

No 

Yes 

Enumerations No 

Yes 

Garbage collector 

Yes  Yes 

Exception handling (try, catch, finally) 

Yes  Yes 

Security model 

Yes  Yes 

Data encapsulation (class model) 

Yes  Yes 

Inheritance (from a single class only) 

Yes  Yes 

Polymorphism Yes 

Yes 

Fully object oriented  

Yes Yes 

(all functions and variables are contained in classes)

Implicit method overriding prohibited 

No 

Yes 

Implementation of Interfaces 

Yes  Yes 

Emulation of function pointers 

Yes Yes 

(with interfaces or  delegates ) 

Operator overloading 

No 

Yes 

Enforced type safety: 

   Checking of casts for validity 

Yes  Yes 

   Use of un initialized variables not permitted 

Yes  Yes 

   Array bounds checking 

Yes  Yes 

Overflow checking for arithmetic operations 

Yes  Yes 

Support of versioning 

No 

Yes 

Pre processor (conditional compilation) 

No 

Yes 

Automatic creation of documentation files 

Yes  Yes 

Interoperation with other languages (C++, VB) 

Yes  Yes 

Interoperation with native code 

Yes  Yes 

Table 8: Comparison of Java and C# 

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