Difference between C# and Java

C# and java was derived from c++ therefore they have similar roots.C# has borrowed some features from java. However, there exist a numbers of differences between c# and Java.

Java	C#
Java uses Static final to declare a class constant	C# uses CONST
Java does not support struct type	Its support struct type
Java does not support operator overloading	Its support operator overloading
Class members are virtual by default and a method name in a derived class overrides the base class member	In C# the base member is required to have the virtual keyword and the derived member is required to use the override keyword
In java parameters are always passed by value	It allows parameters to be passed by reference by using ref keyword
In java switch statement can have only integer expression	C# support either an integer or string expression
Java uses instanceof operator instead of  is operator in C#	C# uses is operator instead of instanceof operator in java
In java ,all c# data types are objects	C# has more primitive  data types
Java does not support directly on enumerations	C# supports enumerations