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KimGyeong
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Apr 28, 2021
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| public static void main(String[] args){ | ||
| calculate(); | ||
| } | ||
| public static void calculate(){ | ||
| StringCalculator stringCalculator = new StringCalculator(); | ||
| Output.printOutput(stringCalculator.calculateStr(Input.splitInput())); | ||
| } |
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| public class StringCalculator { | ||
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| public int calculateStr(String[] inputSplit){ |
Author
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메소드 네임에는 타입이 들어가는 것을 추천드리지 않아요. 간단하게 calculate로 바꿔도 괜찮을 것 같습니다.
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| } catch(ArithmeticException e){ | ||
| System.out.println("0 으로 나눌수 없음 : " + num1 + "/" + num2); | ||
| } |
| return splitString; | ||
| } | ||
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| public static void checkInput(String[] splitInput){ |
Author
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한 클래스 내에서만 사용하는 메소드는 접근제어자를 private으로 변경해주세요.
또한 연산 입력의 오류의 케이스가 더 있을 것 같은데 한번 생각해보면 좋을 것 같아요.
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| public int calculate(int firstFactor, char operator, int secondFactor) { | ||
| if (operator == '+') | ||
| return add(firstFactor,secondFactor); | ||
| if (operator == '-') | ||
| return subtract(firstFactor,secondFactor); | ||
| if (operator == '*') | ||
| return multiply(firstFactor,secondFactor); | ||
| if (operator == '/') | ||
| return divide(firstFactor,secondFactor); | ||
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| throw new RuntimeException("올바르지 않은 연산자"); | ||
| } | ||
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| public int add(int num1, int num2){ | ||
| return num1 + num2; | ||
| } | ||
| public int subtract(int num1, int num2){ | ||
| return num1 - num2; | ||
| } | ||
| public int multiply(int num1, int num2){ | ||
| return num1 * num2; | ||
| } | ||
| public int divide(int num1, int num2){ |
| } catch(ArithmeticException e){ | ||
| System.out.println("0 으로 나눌수 없음 : " + num1 + "/" + num2); | ||
| } | ||
| throw new RuntimeException(); |
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