refactoring : duplicated code - pull up method

refactoring/src/main/java/com/example/refactoring/_02_duplicated_code/_06_pull_up_method/Dashboard.java

@@ -0,0 +1,35 @@
+package com.example.refactoring._02_duplicated_code._06_pull_up_method;
+
+import org.kohsuke.github.GHIssue;
+import org.kohsuke.github.GHRepository;
+import org.kohsuke.github.GitHub;
+
+import java.io.IOException;
+import java.util.HashSet;
+import java.util.Set;
+
+// 중복되는 코드를 상위 클래스로 이동
+public class Dashboard {
+
+    public static void main(String[] args) throws IOException {
+        ReviewerDashboard reviewerDashboard = new ReviewerDashboard();
+        reviewerDashboard.printReviewers();
+
+        ParticipantDashboard participantDashboard = new ParticipantDashboard();
+        participantDashboard.printUsernames(1);
+    }
+
+    public void printUsernames(int eventId) throws IOException {
+        // Get github issue to check homework
+        GitHub gitHub = GitHub.connect();
+        GHRepository repository = gitHub.getRepository("haerong22/Study");
+        GHIssue issue = repository.getIssue(eventId);
+
+        // Get participants
+        Set<String> participants = new HashSet<>();
+        issue.getComments().forEach(c -> participants.add(c.getUserName()));
+
+        // Print participants
+        participants.forEach(System.out::println);
+    }
+}

refactoring/src/main/java/com/example/refactoring/_02_duplicated_code/_06_pull_up_method/ParticipantDashboard.java

@@ -0,0 +1,5 @@
+package com.example.refactoring._02_duplicated_code._06_pull_up_method;
+
+public class ParticipantDashboard extends Dashboard {
+
+}

refactoring/src/main/java/com/example/refactoring/_02_duplicated_code/_06_pull_up_method/ReviewerDashboard.java

@@ -0,0 +1,10 @@
+package com.example.refactoring._02_duplicated_code._06_pull_up_method;
+
+import java.io.IOException;
+
+public class ReviewerDashboard extends Dashboard {
+
+    public void printReviewers() throws IOException {
+        super.printUsernames(1);
+    }
+}