Some of the languages on the extinction path are as follows –
Anyone who has been in the dot-com boom era will remember the PERL language. It used to be the language of the web. Even programming of a simple feedback form used to have a PERL-CGI combo script. PERL has its advantages and the developer community thought it was portable and efficient in its way. But PERL was a piecemeal language as the creators had piled features on top of the other without a vision on how it would fit in the big picture. The creators did acknowledge that the language had issues and began work on Perl 6. But it is still to see the light of the day.
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Other programming languages used for Adobe Flash and AIR has also gone into oblivion like the Action Script. Steve Jobs of Apple did not like Flash as it was heavy on the device processors. He refused to have it on the iPhone. Web developers were forced to create websites that did not need flash. Adobe tried to keep the AIR platform afloat with the tool Flex. But both Flash and AIR did not sustain.
On the decline list are Visual Basic.NET, Objective-C and Delphi’s, Object Pascal. So developers have to be on top of technology and see the trends and adapt fast to sustain their careers.