Review

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME

src/main/java/calculator/Application.java

@@ -1,7 +1,22 @@
 package calculator;
 
+import calculator.domain.Calculate;
+import calculator.domain.Strings;
+import calculator.io.CalculatorInput;
+import calculator.io.CalculatorOutput;
+
 public class Application {
     public static void main(String[] args) {
-        // TODO: 프로그램 구현
+        CalculatorInput input = new CalculatorInput();
+        CalculatorOutput output = new CalculatorOutput();
+
+        output.printAskingString();
+        Strings string = input.getString();
+        Calculate calculate = new Calculate(string);
+        int result = calculate.addNumbers();
+        output.printResult();
+        System.out.println(result);
+
+
     }
 }

src/main/java/calculator/domain/Calculate.java

@@ -0,0 +1,25 @@
+package calculator.domain;
+
+public class Calculate {
+
+    private final String[] numbers;
+    private int sum = 0;
+
+    public Calculate(Strings strings) {
+        this.numbers = strings.distinguisher();
+    }
+
+    public int addNumbers() {
+
+        for (String number : numbers) {
+            int i = Integer.parseInt(number);
+
+            if (i <= 0) {
+                throw new IllegalArgumentException("올바른 값을 입력해주세요");
+            }
+
+            sum += i;
+        }
+        return sum;
+    }
+}

src/main/java/calculator/domain/Strings.java

@@ -0,0 +1,33 @@
+package calculator.domain;
+
+public class Strings {
+
+    public String[] input;
+    private final String original;
+    public String distinguish =  ",|:";
+
+    public Strings(String input) {
+        this.input = input.split("");
+        this.original = input;
+    }
+
+    public boolean isCustomExist() {
+        if (input[0].equals("/") && input[1].equals("/")) {
+            int delimiterEndIndex = original.indexOf("\\n");
+            if (delimiterEndIndex == -1) {
+                throw new IllegalArgumentException("잘못된 커스텀 구분자");
+            }
+            return true;
+        }
+        return false;
+    }
+
+    public String[] distinguisher() {
+        if(isCustomExist()) {
+            String temp = input[2];
+            String substring = original.substring(5);
+            return substring.split(temp);
+        }
+        return original.split(distinguish);
+    }
+}

src/main/java/calculator/io/CalculatorInput.java

@@ -0,0 +1,16 @@
+package calculator.io;
+
+import calculator.domain.Strings;
+import camp.nextstep.edu.missionutils.Console;
+
+public class CalculatorInput {
+
+    public CalculatorInput() {
+    }
+
+    public Strings getString() {
+        String input = Console.readLine();
+
+        return new Strings(input);
+    }
+}

src/main/java/calculator/io/CalculatorOutput.java

@@ -0,0 +1,12 @@
+package calculator.io;
+
+public class CalculatorOutput {
+
+    public void printAskingString() {
+        System.out.println("덧셈할 문자열을 입력해 주세요.");
+    }
+
+    public void printResult() {
+        System.out.print("결과 : ");
+    }
+}