C#とJavaの比較

Visual Studio: The C# Programming Language for Java Developers
http://msdn.microsoft.com/vstudio/java/gettingstarted/csharpforjava/

C# From a Java Developer's Perspective
http://www.25hoursaday.com/CsharpVsJava.html

ObjectClub - Java プログラマのためのC# 考察 -- 言語仕様の比較
http://www.objectclub.jp/technicaldoc/c/cs_vs_java

C# for Java Developers (Developer Reference)