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时至21世纪,面向对象巳经不再是新鲜的说法。从早期的面向对象语言到面向对象设计方法,面向对象的思想已经渗人计算机软件科学各个领域。随着软件科学的不断发展,新的应用系统越来越复杂,尤其是近十年来Intranet／nternet飞速发展,使软件应用置身干更加广阔的环境中。从而对应用软件提出了更高的要术,这就使得软件设计更加闹难。在这样的情况下,简单的面向对象已经难以适应这种分布式软件模型,于是组件化程序设计思想得到T迅速的发展。
By the turn of the 21st century, object-orientation was no longer fresh. From the early object-oriented languages to object-oriented design methods, object-oriented thinking has infiltrated all areas of computer software science. With the continuous development of software science and technology, the new application system has become more and more complicated. In particular, the rapid development of intranet / nternet in recent ten years has put software applications in a broader environment. Which put forward a higher degree of application software, which makes the software design even more daunting. In this case, simple object-oriented has been difficult to adapt to this distributed software model, so the modular programming ideas have been T rapid development.