Studies of relative costs for development in different languages

problem ：

Has anyone seen a recent (and fairly balanced) study into the relative costs for software development using differing languages ? Has anyone seen recently （ And quite balanced ） Study the relative cost of software development in different languages ？I would particular like to see the relative costs of Java Vs. I really want to see it Java V Relative cost of investment .C# Vs.C＃Vs.Delphi. Delphi .

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Solution ：

Reference resources ： https://stackoom.com/en/question/CKqO