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That's the story that gets told, but how often have they actually removed something after deprecating it? Does anybody have a single concrete example of a method that actually went away?

http://stackoverflow.com/questions/18063599/has-ever-anythin...




I don't believe they have ever removed a Class or method from the JDK... Thread still has all of those super-unsafe or non-implemented methods in it (see: stop(), destroy() etc.)

I think part of the reason for this ultra-conservative approach might be that alternate JVM implementations could in theory have well-implemented versions of deprecated methods such as the above-mentioned Thread ones.

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No, they (Sun) could not care less for alternate JVM implementations. The reason for that ultra-conservative approach was that they were hell bent on keeping compatibility.

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System.getenv was deprecated (in 1.1?), and then replaced with an implementation that threw UnsupportedOperationException (in 1.2?) because it was considered to be non-portable.

Later they saw sense and re-implemented it and un-deprecated it.

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