December 2016
Beginner to intermediate
173 pages
3h 43m
Korean
Content preview from 그레이들 레시피: 안드로이드 빌드 시스템 Gradle 실무 안내서
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151
APPENDIX A -
그루비 둘러보기
여기서는 그루비 프로그래밍 언어에 대해서 알아봅니다. 그레이들 빌드 파일은 거의 그루비 언
어로 만들어진 도메인 특화 언어
DSL
지만, 일반적인 그루비 코드도 빌드 파일에 추가할 수 있습
니다. 그루비는 자바 기반이며 자바 바이트 코드로 컴파일되는 범용 프로그래밍 언어입니다.
함수형 언어의 특징을 가지고 있으며
C
++에서 자바로 이어지는 차세대 객체지향 언어입니다.
A.1
기본 문법
[예제
A
-
1
]은 그루비 언어로 만든 한 줄짜리
Hello
World
프로그램입니다.
예제
A-1
그루비로 만든
Hello
World
println
'
Hello
,
World
!'
여기서 기억할 내용은 다음과 같습니다.
•
세미콜론
(
;
)
은 선택사항입니다. 넣으면 정상 동작하고 빼도
문제없습니다.
•
괄호도 문제없는 상황에서는 선택사항입니다. 컴파일러가 정상적으로 추론할 수 있다면 문제없이 동작합니다.
그렇지 않다면 넣어야 합니다.
println
메서드는
String
인자를 받습니다. 여기서 괄호는 생략하였습니다.
• 그루비에는 두 종류의 문자열이 있습니다.
Hello
처럼 작은따옴표(
'
)로 감싼 문자열은
java.lang.
String
의 객체입니다. 큰따옴표 (
"
)로 감싼 문자열은 그루비 문자열로, [예제
A
-
2
]와 같이 치환법이 적용됩 ...
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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.