Invincible-Backend-Study · HiiWee · Apr 12, 2023 · Apr 4, 2023 · Apr 10, 2023 · Apr 10, 2023
diff --git a/hoseok/gotofjava/build.gradle b/hoseok/gotofjava/build.gradle
@@ -0,0 +1,19 @@
+plugins {
+    id 'java'
+}
+
+group 'org.example'
+version '1.0-SNAPSHOT'
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    testImplementation 'org.junit.jupiter:junit-jupiter-api:5.8.1'
+    testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.8.1'
+}
+
+test {
+    useJUnitPlatform()
+}
diff --git a/hoseok/gotofjava/gradle/wrapper/gradle-wrapper.jar b/hoseok/gotofjava/gradle/wrapper/gradle-wrapper.jar
diff --git a/hoseok/gotofjava/gradle/wrapper/gradle-wrapper.properties b/hoseok/gotofjava/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.5.1-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/hoseok/gotofjava/gradlew b/hoseok/gotofjava/gradlew
diff --git a/hoseok/gotofjava/gradlew.bat b/hoseok/gotofjava/gradlew.bat
diff --git a/hoseok/gotofjava/settings.gradle b/hoseok/gotofjava/settings.gradle
@@ -0,0 +1,2 @@
+rootProject.name = 'gotofjava'
+
diff --git a/hoseok/gotofjava/src/main/java/chapter03/calculator/Calculator.java b/hoseok/gotofjava/src/main/java/chapter03/calculator/Calculator.java
@@ -0,0 +1,29 @@
+package chapter03.calculator;
+
+public class Calculator {
+
+    public int add(int a, int b) {
+        return a + b;
+    }
+
+    public int subtract(int a, int b) {
+        return a - b;
+    }
+
+    public int multiply(int a, int b) {
+        return a * b;
+    }
+
+    public int divide(int a, int b) {
+        return a / b;
+    }
+
+    public static void main(String[] args) {
+        Calculator calculator = new Calculator();
+        System.out.println(calculator.add(20, 5));
+        System.out.println(calculator.subtract(20, 5));
+        System.out.println(calculator.multiply(20, 5));
+        System.out.println(calculator.divide(20, 5));
+    }
+
+}