This chapter has detailed advanced features of C#. Some of these features will be familiar to the Java developer, while many will be completely new unless the developer also has C/C++ experience. Although perhaps initially frustrated, the Java programmer should have little trouble adapting to the differences between Java and C# exception handling. It’s possible that many programmers will never need to use preprocessor directives or unsafe code; however, an understanding of attributes is essential for developing applications for Microsoft .NET by using C#.