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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156
그레이들 레시피
String hello
=
'
hello
'
assert
'
olleh
'
==
hello
[-
1
..
0
]
//
문자열도
컬렉션임
그루비에서
Range
는 두 개의 값으로 구성되는데, ‘시작값..종료값
(
from
..
to
)
’ 형식입니다. 범위
는 시작값 위치에서 시작하여 각 요소에
next
메서드를 호출하고 종료값 위치까지 호출합니다.
맵
Map
은 키와 값을 구별하기 위하여 콜론
(
:
)
을 사용합니다. 맵에 대괄호 연산자를 사용하면 값
에 접근하느냐 새로운 값을 추가하느냐에 따라
getAt
이나
putAt
메서드가 됩니다. 닷
(.)
연산
자도 이와 유사합니다. [예제
A
-
9
]를 참고하세요.
예제
A-9
맵 활용과 메서드들
def map
=
[
a
:
1
,
b
:
2
,
c
:
2
]
assert map
.
getClass
()
==
LinkedHashMap
assert map
.
a
==
1
❶
assert map
['
b
']
==
2
❷
assert map
.
get
('
c
')
==
2
❸
❶ 닷(.)은
put을
의미함
❷
putAt
메서드가 호출됨
❸ 자바 문법도 동작함
A.5
클로저
그루비는
Closure
라는 클래스가 있습니다. 이것은 객체처럼 사용할 수 있는 코드 블록을 의미
합니다. 일종의 ‘익명
Anonymous
객체’라고 생각해도 됩니다. 과도하게 단순화되었지만, 이해하는
데는 도움이 됩니다. ...
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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.