Recently I ran into the annotation of the Forrester’s report on J2EE and .NET adoption in the industry. I did not purchase the entire report, but the annotation starts as follows:

“ The overall adoption trends for Java/J2EE
and Microsoft .NET are stable. Aggregating data from all sizes of businesses,
.NET’s use for mission-critical applications is higher than Java’s. Most of
.NET’s comparative strength is in small and medium-size businesses (SMBs) and
small enterprises; adoption of .NET and Java is effectively the same for
medium-size and large enterprises.”

I guess, Forrester uses some surveys to write such papers, but based on my personal experience in the financial
industry, J2EE is more widely used for mission-critical applications. What’s your personal experience in other
verticals?