Scala 3 is concise, consistent, flexible, robust, and efficient, but there's a lot to learn and navigating features and improvements can be challenging. Scala for the Impatient, Third Edition, is a complete yet concise guide that reflects the major enhancements of Scala 3, from improved syntax and revamped type system to powerful contextual abstr...
Scala 3 is concise, consistent, flexible, robust, and efficient, but there's a lot to learn and navigating features and improvements can be challenging. Scala for the Impatient, Third Edition, is a complete yet concise guide that reflects the major enhancements of Scala 3, from improved syntax and revamped type system to powerful contextual abstractions.
This indispensable tutorial offers a faster, easier pathway for learning today's Scala. Horstmann--author of the programming classic, Core Java--covers everything working developers need to know, focusing on hands-on solutions, not academic theory. Given the size and scope of Scala 3, there's plenty to cover but it's presented in small chunks organized for quick access and easy understanding, with plenty of practical insights and focused sample code.
Get started quickly with Scala 3 interpreter, syntax, tools, and current usage
Master core language features: functions, arrays, maps, tuples, packages, imports, exception handling, and more
Design and build better object-oriented code with Scala 3
Use Scala for real-world programming tasks: working with files, regular expressions, and processes
Work with higher-order functions and the powerful Scala collections library
Create concurrent programs with Scala futures
Understand the Scala type system, including revamped enums, intersection and union types, and enhanced type inference
Use contextual abstractions to easily extend class hierarchies, enrich existing classes, perform automatic conversions, and elegantly hide tedious details
Apply advanced "power tools" such as annotations and given values
Discover how to "program with types," analyzing and generating types at compile time
Get a taste of what's now possible with Scala macros
If you're a Java, Python, C++, or C# programmer who's new to Scala or functional programming--or even if you've already used earlier versions of Scala--this guide will help you write code that's more robust, more efficient, and more secure.
作者简介
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Cay S. Horstmann是《Java核心技术》卷1和卷2第8版（Sun Microsystems Press出版社2008年出版）的主要作者，除此之外还著有其他十多本面向专业程序员和计算机科学专业学生的书籍。他是San Jose州立大学计算机科学专业的教授，同时是一位Java Champion。
Key points of this chapter:
• Use an Array if the length is fixed, and an ArrayBuffer if the length can vary.
• Don’t use new when supplying initial values.
• Use () to access elements.
• Use for (elem <- arr) to traverse the elements.
• Use for (elem <- arr if . . . ) . . . yield . . . to transform into a new array.
• Scala and Java arrays are interoperable; with ArrayBuffer, use scala.collection.
JavaConversions. (查看原文)
Programming manuals are like fast foods, you never enjoy reading the book but sometimes that's the expediency. Scala is the official language for Spark, which I should have picked up between 2011 and 2013 if my physical status was much better. I'll ask my S...
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前段时间学完了coursera上的“Functional Programming Principles in Scala”，现在正在自学“Principles of Reactive Programming”。和这两门课程的内容相比，这本书最大的问题就是对函数式编程的感念介绍太少，书中的内容大都是scala语法类库的堆砌。比如说对foldLeft、fold...
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Hao
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0 有用 海星去哪 2023-04-08 11:44:21 美国
学scala的教材，读了一大半。可惜没怎么写码，全忘了
0 有用 海星去哪 2023-04-08 11:44:21 美国
学scala的教材，读了一大半。可惜没怎么写码，全忘了