Java is a new object-oriented programming language that was developed by Sun Microsystems for programming the Internet and intelligent appliances. In a very short time it has become one of the most widely used programming languages for education as well as commercial applications.Design patterns, which have moved object-oriented programming to a new level, provide programmers with a language to communicate with others about their designs. As a result, programs become more readable, more reusable, and more easily extensible.In this book, Matthias Felleisen and Daniel Friedman use a small subset of Java to introduce pattern-directed program design. With their usual clarity and flair, they gently guide readers through the fundamentals of object-oriented programming and pattern-based design. Readers new to programming, as well as those with some background, will enjoy their learning experience as they work their way through Felleisen and Friedman's dialogue.
看本书源于王垠某篇博客的推荐。 这本书很薄,一天看完了。 主要还是面向已经接触过函数式编程,但是是OO的初学者的同学,介绍了多态,继承,封装等OO的概念,如果你没有接触过OO,作者的讲解方式可谓相当的简洁明了。 直到最后一章才引入了更改实例变量内容的概念,之前都...
評分当然了书是没有搞到正版的,也没找到清晰的PDF版的. 书延续了Little系列的风格.一问一答.简洁 xx.花了三个晚上看完的.虽然书书用Java写的但是感觉不想一般那样用.感觉像FP的用法.函数没有副作用.什么东东都new一下.当然到最后一章讲到了改变对象内部值的用法. 内容的话,基本书...
評分 評分当然了书是没有搞到正版的,也没找到清晰的PDF版的. 书延续了Little系列的风格.一问一答.简洁 xx.花了三个晚上看完的.虽然书书用Java写的但是感觉不想一般那样用.感觉像FP的用法.函数没有副作用.什么东东都new一下.当然到最后一章讲到了改变对象内部值的用法. 内容的话,基本书...
評分看瞭兩章,看不下去瞭。。。
评分看瞭王垠的博客找來看,大緻瞭解瞭visitor pattern是怎麼推齣來的,沒有仔細推敲,碰到再去找詳細的資料看……反正給我的感覺就是相當麻煩,一切都是源於Java把所有東西都當對象,函數沒法直接當參數傳。換成js能少一堆類啊超類啊抽象類啊接口啊亂七八糟的,當然js也有它自己的問題……繞這麼多彎的核心思想就是把各種稍微有那麼一點點不同的東西放一起,萬一要改的時候不怕漏。
评分看完瞭,把OOP當成FP來玩,佩服。至於實用性?看這書的,睡在乎? visitor模式很漂亮!
评分沒見過把 OOP 當 FP 玩兒的,但非常有趣,看他循序漸進,去到某處就有似曾相識的感覺,慢慢就更懂瞭 class interface object 之間的關係,最後掌握 visitor pattern。有意思,但說這是 Java 精粹的話,不知道是在黑 Java 還是鼓勵讀者研究 FP 呢,反正我看完對 FP 更感興趣些。王垠推薦就看瞭,不錯。
评分visitor。。。好繞。。
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