Update README.md

java-lite/src/main/java/app/services/ArticleService.java

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+package app.services;
+
+import java.util.List;
+
+import app.models.Article;
+
+public interface ArticleService {
+
+    List<Article> getArticles();
+
+    Article search(String keyword);
+
+}

java-lite/src/main/java/app/services/ArticleServiceImpl.java

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+package app.services;
+
+import java.time.Instant;
+import java.util.ArrayList;
+import java.util.List;
+
+import app.models.Article;
+
+public class ArticleServiceImpl implements ArticleService {
+
+    public List<Article> getArticles() {
+        return fetchArticles();
+    }
+
+    public Article search(String keyword) {
+        Article ar = new Article("Article with " + keyword, "baeldung", "1250", Instant.now()
+            .toString());
+        return ar;
+    }
+
+    private List<Article> fetchArticles() {
+        Article ar1 = new Article("Introduction to ActiveWeb", "baeldung", "1650", Instant.now()
+            .toString());
+
+        Article ar = new Article("Introduction to Mule", "baeldung", "1650", Instant.now()
+            .toString());
+        List<Article> articles = new ArrayList<Article>();
+        articles.add(ar);
+        articles.add(ar1);
+        return articles;
+
+    }
+
+}

java-lite/src/main/java/app/services/ArticleServiceModule.java

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+package app.services;
+
+import com.google.inject.AbstractModule;
+
+public class ArticleServiceModule extends AbstractModule {
+
+    @Override
+    protected void configure() {
+        bind(ArticleService.class).to(ArticleServiceImpl.class)
+            .asEagerSingleton();
+    }
+}