Fix Checkstyle issues

Author: johnklint81

service-stub/src/main/java/com/iluwatar/servicestub/App.java

@@ -1,4 +1,5 @@
 package com.iluwatar.servicestub;
+
 import lombok.extern.slf4j.Slf4j;
 
 /**

service-stub/src/main/java/com/iluwatar/servicestub/RealSentimentAnalysisServer.java

@@ -3,6 +3,11 @@
 import java.util.Random;
 import java.util.function.Supplier;
 
+/**
+ * Real implementation of SentimentAnalysisServer.
+ * Simulates random sentiment classification with processing delay.
+ */
+
 public class RealSentimentAnalysisServer implements SentimentAnalysisServer {
   /**
    * A real sentiment analysis implementation would analyze the input string using, e.g., NLP and
@@ -14,26 +19,26 @@ public class RealSentimentAnalysisServer implements SentimentAnalysisServer {
    * @return sentiment classification result (Positive, Negative, or Neutral)
    */
 
-    private final Supplier<Integer> sentimentSupplier;
+  private final Supplier<Integer> sentimentSupplier;
 
-    // Constructor
-    public RealSentimentAnalysisServer(Supplier<Integer> sentimentSupplier) {
-      this.sentimentSupplier = sentimentSupplier;
-    }
+  // Constructor
+  public RealSentimentAnalysisServer(Supplier<Integer> sentimentSupplier) {
+    this.sentimentSupplier = sentimentSupplier;
+  }
 
-    public RealSentimentAnalysisServer() {
-      this(() -> new Random().nextInt(3));
-    }
+  public RealSentimentAnalysisServer() {
+    this(() -> new Random().nextInt(3));
+  }
 
-    @Override
-    public String analyzeSentiment(String text) {
-      int sentiment = sentimentSupplier.get();
-      try {
-        Thread.sleep(5000);
-      } catch (InterruptedException e) {
-        Thread.currentThread().interrupt();
-      }
-      return sentiment == 0 ? "Positive" : sentiment == 1 ? "Negative" : "Neutral";
+  @Override
+  public String analyzeSentiment(String text) {
+    int sentiment = sentimentSupplier.get();
+    try {
+      Thread.sleep(5000);
+    } catch (InterruptedException e) {
+      Thread.currentThread().interrupt();
     }
+    return sentiment == 0 ? "Positive" : sentiment == 1 ? "Negative" : "Neutral";
   }
+}
 

service-stub/src/main/java/com/iluwatar/servicestub/StubSentimentAnalysisServer.java

@@ -1,5 +1,10 @@
 package com.iluwatar.servicestub;
 
+/**
+ * Stub implementation of SentimentAnalysisServer.
+ * Returns deterministic sentiment based on input keywords.
+ */
+
 public class StubSentimentAnalysisServer implements SentimentAnalysisServer {
 
   /**
@@ -13,11 +18,9 @@ public class StubSentimentAnalysisServer implements SentimentAnalysisServer {
   public String analyzeSentiment(String text) {
     if (text.toLowerCase().contains("good")) {
       return "Positive";
-    }
-    else if (text.toLowerCase().contains("bad")) {
+    } else if (text.toLowerCase().contains("bad")) {
       return "Negative";
-    }
-    else {
+    } else {
       return "Neutral";
     }
   }

service-stub/src/test/java/com/iluwatar/servicestub/AppTest.java

@@ -1,12 +1,11 @@
 package com.iluwatar.servicestub;
 
 import org.junit.jupiter.api.Test;
-
 import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
 
 public class AppTest {
   @Test
   void shouldExecuteWithoutException() {
-    assertDoesNotThrow(() -> App.main(new String[]{}));
+    assertDoesNotThrow(() -> App.main(new String[] {}));
   }
 }

service-stub/src/test/java/com/iluwatar/servicestub/RealSentimentAnalysisServerTest.java

@@ -2,7 +2,6 @@
 
 import org.junit.jupiter.api.Test;
 import static org.junit.jupiter.api.Assertions.*;
-import java.util.Random;
 
 class RealSentimentAnalysisServerTest {