July 2016
Beginner to intermediate
776 pages
17h 26m
Korean
Content preview from 프로그래밍 스칼라: 실용적인 스칼라 활용법을 익히는 가장 확실한 실전 바이블 (2.11.x 버전 기반)
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727
23
장
애플리케이션 설계
➏ 데이터 파일을 읽어서 이름, 급여, 직원별 공제 내역을 추출한다.
➐ 용례:
2
주라는 기간 동안의 각 직원의 총 급여, 순 급여, 공제 내역 (
Deductions
)을 보고한다.
➑ 용례:
2
주라는 기간 동안의 모든 직원의 총 급여, 순 급여, 공제 내역의 총합을 보고한다.
기본적으로 이 프로그램은 데이터를
misc
디렉터리에서 읽어온다. 이 프로그램을
sbt
에서
run
-
main
progscala2
.
appdesign
.
parthenon
.
PayrollParthenon
명령으로 실행하면,
main
에서 두 가지 용례를 호출한 아래와 같은 결과를 볼 수 있다.
Biweekly Totals
:
Gross 19230
.
77
,
Net 12723
.
08
,
Deductions
:
6507
.
69
Biweekly Payroll
:
Name Gross Net Deductions
----
-----
---
----------
Joe CEO 7692
.
31 5184
.
62 2507
.
69
Jane CFO 6923
.
08 4457
.
69 2465
.
38
Phil Coder 4615
.
38 3080
.
77 1534
.
62
개선할 부분이 많이 있지만, 전체를 대략 보여주는 이 프로그램은 실제 용례의 구현(메서드)이
작고 독립적인 코드의 ‘기둥’일 수 있다는 사실을 보여준다. 이들은 ‘최상위 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.