장에서는 리터럴, 키워드, 파일 구성, 임포트 등 여러 실용적인 기본을 다졌다. 변수, 메서드,
클래스를 선언하는 방법에 대해 배웠으며,
Option
이
null
보다 더 좋은 도구라는 점과 그 밖의
여러 유용한 기법에 대해서도 익혔다. 스칼라의 기능에 대해 더 자세히 설명하기 전에 다음
3
장
에서 스칼라 ‘기본’에 대한 간략한 여정을 마치도록 하자.
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