[Java] 타입간 변환방법
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Java
문자열"5"------------------------------- Integer.parseInt("5") --------------------------->숫자5----- "5".charAt(0) ---->문자'5'---------- -'0' ---------> 문자열"5"+" " ---------------------------------------숫자5+" " ----------문자'5'+'0' ---------- ..나중 더 추가