10/15 공부 내용 정리 package calculator.domain;import java.util.Arrays;import java.util.List;import java.util.stream.Collectors;public class StringCalculator { private static final String DISTINGUISHED = "[,;]"; public static final String BEGIN_DATA = "//"; public String extractCustomValue(String value) { if (value.startsWith(BEGIN_DATA)) { return value.substring(2, 3); ..
