java and. net which is more flexible language?

Answer 1

C# and Java are both actually quite flexible.
I did some research and C# is not far behind Java with multi-platforms.

They are both made up support Server-side programming, more than others languages like C++, C, Pascal (Remember Java and C# are old-ish languages)

Java has more tools to help maintain the program, and to make a program quickly and clean.

C# may take a little bit longer, but they sure finish the job quicker, because Java is not compiled to machine Language but rather to Java-bytes.

It's a trade off both the Programmer and the Company should be willing to take

Answer 2

C# is getting more and more like Java. Maybe in the next years it would become a multiplatform language.
Java may loose the ground in Android.
But I think it's still more flexible than C#.