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자료형-(1)
int : -2147483648 ~ 2147483647 long : -9223372036854775808 ~ 9223372036854775807 float : -3.4 * 10^38 ~ 3.4* 10^38 double : -1.7 * 10^308 ~ 1.7*10^308 *문자열 선언 String a = new String("Happy Java"); String b = "Happy Java"; **원시 자료형 int(원시자료형) -> Integer(Wrapper클래스) long -> Long double -> Double float -> Float boolean -> Boolean char -> Char **equals(문자열 비교) String a = "hello"; String b = "java"; S..
코딩 study/JAVA
2022. 7. 10. 20:45