Why it is limited to Java or VFP? What about .NET?

>My manager wants us to rewrite an old Fox 2.6 application using either Java or VFP8. Another programmer has written some Javascript to quiry data and move data sets across the network. We do not want the new application to be browser based.
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>I'm not very familiar with Java development. Isn't it primarily designed for browser-based applications rather than stand-alone applications? Seems to me it would take considerable more time to develop in Java and would run slower on the client machine.