[Java] 자료형
자료형 키워드 크기 기본값 표현 범위 논리형 boolean 1 bit False True or False 문자형 char 2 byte \u0000 0 ~ 65,535 정수형 byte 1 byte 0 -128 ~ 127 short 2 byte 0 -32,768 ~ 32,767 int 4 byte 0 -2,147,483,648 ~ 2,146,483,647 long 8 byte 0 -9,223,372,036,854,775,808 ~ 9,223,372,036,854,775,807 실수형 float 4 byte 0.0 -3.4E38 ~ +3.4E38 double 8 byte 0.0 -1.7E308 ~ +1.7E308
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[Java] enum 사용법
Simple enum. The ; after the last element is optional, when this is the end of enum definition. public enum Color { WHITE, BLACK, RED, YELLOW, BLUE; //; is optional }Enum embedded inside a class. Outside the enclosing class, elements are referenced as Outter.Color.RED, Outter.Color.BLUE, etc. public class Outter { public enum Color { WHITE, BLACK, RED, YELLOW, BLUE } }Enum that overrides toStrin..
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