TAILIEUCHUNG - HandBooks Professional Java-C-Scrip-SQL part 7

Tham khảo tài liệu 'handbooks professional java-c-scrip-sql part 7', công nghệ thông tin, kỹ thuật lập trình phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | . Moving Ahead We may never again see a perfect storm like the one that ushered in Java. You shouldn t look for one. Instead you should learn from the success of Java and start to understand the factors that led to its success. Minimally I believe the next commercially successful programming language will need to satisfy four major criteria It will need to establish a significant community. You won t see broad adoption unless the adopter can achieve relative safety. It will need to be portable. Java s virtual machine has raised the bar for languages that follow. Some economic incentive must justify the movement. Currently productivity to me looks like the logical economic force but others may be lurking out there like wireless computing or data search. It will need demonstrable technical advantages. This is actually the least important of the major criteria. I don t think most of us can possibly thoroughly understand the success of Java. It s easy to overestimate the role of the language and to underestimate the importance of the JVM and the community. In the next chapter we ll continue to look at the crown jewels of Java in more detail or the foundation for the most successful programming language ever. . Language and JVM Design In 1996 the JVM represented a significant departure from traditional thinking. Overwhelmingly organizations exclusively used high-performance compiled languages on the server side. Developers patched on security instead of baking it in from the beginning. And vendors attempted to achieve portability by building extensive libraries at a very high level. Instead of driving on this well-traveled road they reached for the steering wheel with both hands and threw all of their momentum to the side swerving aggressively into unpaved uncharted territory. . Portability In the early and mid-1990s many in the industry were just starting to think about portability. In particular I vividly remember working on object-oriented technologies at

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