Oh, I doubt that!
They may be able to write good, efficient applications with shared modules, but they will never do it quickly. This is still the sole province of Perl. Java is far too cumbersome and low level for ad-hoc programming tools and applications requiring manageable complexity in a short design cycle.
Really, besides looking good on a resume, where does Java fit in? It is not portable (No, it is not). It is not all that fast, either. IMHO it is a solution still looking for a problem domain. Embedded devices and web-enabled apps are good uses for Java. All else is a poor fit at best. Java is not Microsoft. That bit of PR has represented the crest of the wave the language has been riding.
Python is beautiful, Java is respected by academia. Perl is just a workhorse. It is not fashionable, but man can it pull its weight!! So, who here planned on writing their next system tool in Java, anyway? Certainly not me.
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