TAILIEUCHUNG - HandBooks Professional Java-C-Scrip-SQL part 13

Tham khảo tài liệu 'handbooks professional java-c-scrip-sql part 13', công nghệ thông tin, kỹ thuật lập trình phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 4 http articles . . . You lose type safety when you mix nongenerics with generics. For example List notGeneric genericList type safety would not flow into notGeneric even though it s bound to the same list as genericList in memory. You can t use primitive types as parametric type or static fields of generic type. Instances of different parameterized types like ArrayList String and ArrayList Book belong to the same type ArrayList. Since the JVM has no notion of generics other classes won t be able to take advantage of generics via reflection. So if you re protected at only a superficial level and if new languages can t participate in the solution the syntax only serves to further burden users with details and inconsistencies prompting the question are generics a solution begging for a problem When I ask my students how many class cast exceptions they get from collections very few say this is a significant problem. Ted Neward Generics Author of Effective Enterprise Java Ted Neward is an independent consultant specializing in high-scale enterprise systems. He is an author teacher and consultant focusing on Java .NET interoperability. He has written several widely recognized books in both the Java and .NET space including the recently released Effective Enterprise Java Addison Wesley . He lives in the Seattle area with his wife two sons two cats and eight PCs. What s wrong with Java in general TN Hordes of developers are writing code that doesn t fit well with the tools and technologies they re using to build applications pronouncing the tools and technologies ugly and unusable and going off to reinvent the wheel. What s wrong with Java TN Java demonstrates a general attitude against progress and Sun adamantly refuses to advance the JVM whatsoever preferring instead to maintain the fiction that the Java language and the JVM are one tightly coupled entity. Do you like .

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