lint fix and add dependency version

Author: Sita04

genai/pom.xml

@@ -36,13 +36,12 @@
       </dependency>
     </dependencies>
   </dependencyManagement>
-  <!-- [START googlegenaisdk_install_with_bom] -->
   <dependencies>
     <dependency>
       <groupId>com.google.genai</groupId>
       <artifactId>google-genai</artifactId>
+      <version>0.2.0</version>
     </dependency>
-    <!-- [END googlegenaisdk_install_with_bom] -->
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>

genai/src/main/java/genai/text_generation/TextGeneration.java

@@ -17,20 +17,23 @@
 package genai.text_generation;
 
 // [START googlegenaisdk_textgen_with_txt]
+
 import com.google.genai.Client;
 import com.google.genai.types.GenerateContentResponse;
 import java.io.IOException;
 import org.apache.http.HttpException;
 
 public class TextGeneration {
+
   public static void main(String[] args) throws IOException, HttpException {
     // TODO(Developer): Replace the below variables before running the sample.
     String modelId = "gemini-2.0-flash-001";
     String prompt = "How does AI work?";
     generateContent(modelId, prompt);
   }
 
-  public static String generateContent(String modelId, String prompt) throws HttpException, IOException {
+  public static String generateContent(String modelId, String prompt)
+      throws HttpException, IOException {
     // Initialize client that will be used to send requests. This client only needs to be created
     // once, and can be reused for multiple requests.
     try (Client client = new Client()) {

genai/src/test/java/genai/text_generation/TextGenerationIT.java

@@ -31,7 +31,7 @@
 @RunWith(JUnit4.class)
 public class TextGenerationIT {
 
-  private String MODEL_ID="gemini-2.0-flash-001";
+  private final String MODEL_ID = "gemini-2.0-flash-001";
 
   // Check if the required environment variables are set.
   public static void requireEnvVar(String envVarName) {
@@ -42,10 +42,10 @@ public static void requireEnvVar(String envVarName) {
 
   @BeforeClass
   public static void setUp() {
-      requireEnvVar("GOOGLE_APPLICATION_CREDENTIALS");
-      requireEnvVar("GOOGLE_CLOUD_PROJECT");
-      requireEnvVar("GOOGLE_CLOUD_LOCATION");
-      requireEnvVar("GOOGLE_GENAI_USE_VERTEXAI");
+    requireEnvVar("GOOGLE_APPLICATION_CREDENTIALS");
+    requireEnvVar("GOOGLE_CLOUD_PROJECT");
+    requireEnvVar("GOOGLE_CLOUD_LOCATION");
+    requireEnvVar("GOOGLE_GENAI_USE_VERTEXAI");
   }
 
   @Test