diff --git a/core/src/main/java/com/google/adk/Version.java b/core/src/main/java/com/google/adk/Version.java
index b02a5ae02..fab968fe6 100644
--- a/core/src/main/java/com/google/adk/Version.java
+++ b/core/src/main/java/com/google/adk/Version.java
@@ -24,12 +24,13 @@
 
 public final class Version {
   private static final Logger logger = LoggerFactory.getLogger(Version.class);
-  
+
   public static final String JAVA_ADK_VERSION;
-  
+
   static {
     String version = "unknown";
-    try (InputStream input = Version.class.getClassLoader().getResourceAsStream("version.properties")) {
+    try (InputStream input =
+        Version.class.getClassLoader().getResourceAsStream("version.properties")) {
       if (input != null) {
         Properties properties = new Properties();
         properties.load(input);
@@ -44,4 +45,4 @@ public final class Version {
   }
 
   private Version() {}
-}
\ No newline at end of file
+}
diff --git a/core/src/main/java/com/google/adk/agents/CallbackUtil.java b/core/src/main/java/com/google/adk/agents/CallbackUtil.java
index ac958c498..90e82bd26 100644
--- a/core/src/main/java/com/google/adk/agents/CallbackUtil.java
+++ b/core/src/main/java/com/google/adk/agents/CallbackUtil.java
@@ -17,11 +17,11 @@
 package com.google.adk.agents;
 
 import com.google.adk.agents.Callbacks.AfterAgentCallback;
+import com.google.adk.agents.Callbacks.AfterAgentCallbackBase;
 import com.google.adk.agents.Callbacks.AfterAgentCallbackSync;
 import com.google.adk.agents.Callbacks.BeforeAgentCallback;
-import com.google.adk.agents.Callbacks.BeforeAgentCallbackSync;
 import com.google.adk.agents.Callbacks.BeforeAgentCallbackBase;
-import com.google.adk.agents.Callbacks.AfterAgentCallbackBase;
+import com.google.adk.agents.Callbacks.BeforeAgentCallbackSync;
 import com.google.common.collect.ImmutableList;
 import com.google.errorprone.annotations.CanIgnoreReturnValue;
 import io.reactivex.rxjava3.core.Maybe;
diff --git a/core/src/main/java/com/google/adk/sessions/Session.java b/core/src/main/java/com/google/adk/sessions/Session.java
index 97e549dcf..3bf27b55e 100644
--- a/core/src/main/java/com/google/adk/sessions/Session.java
+++ b/core/src/main/java/com/google/adk/sessions/Session.java
@@ -16,7 +16,6 @@
 
 package com.google.adk.sessions;
 
-
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
diff --git a/core/src/main/java/com/google/adk/sessions/VertexAiSessionService.java b/core/src/main/java/com/google/adk/sessions/VertexAiSessionService.java
index 1fe6482f4..6ed049b93 100644
--- a/core/src/main/java/com/google/adk/sessions/VertexAiSessionService.java
+++ b/core/src/main/java/com/google/adk/sessions/VertexAiSessionService.java
@@ -152,13 +152,13 @@ public Single<Session> createSession(
     JsonNode getSessionResponseMap = getJsonResponse(getSessionApiResponse);
     Instant updateTimestamp = Instant.parse(getSessionResponseMap.get("updateTime").asText());
     ConcurrentMap<String, Object> sessionState = null;
-      if (getSessionResponseMap != null && getSessionResponseMap.has("sessionState")) {
-        JsonNode sessionStateNode = getSessionResponseMap.get("sessionState");
-        if (sessionStateNode != null) {
+    if (getSessionResponseMap != null && getSessionResponseMap.has("sessionState")) {
+      JsonNode sessionStateNode = getSessionResponseMap.get("sessionState");
+      if (sessionStateNode != null) {
         sessionState =
             objectMapper.convertValue(
                 sessionStateNode, new TypeReference<ConcurrentMap<String, Object>>() {});
-        }
+      }
     }
     return Single.just(
         Session.builder(sessId)
diff --git a/core/src/test/java/com/google/adk/VersionTest.java b/core/src/test/java/com/google/adk/VersionTest.java
index 5600a9df1..ff7939165 100644
--- a/core/src/test/java/com/google/adk/VersionTest.java
+++ b/core/src/test/java/com/google/adk/VersionTest.java
@@ -34,4 +34,4 @@ public void versionShouldMatchProjectVersion() {
 
     assertThat(Version.JAVA_ADK_VERSION).matches("\\d+\\.\\d+\\.\\d+(-SNAPSHOT)?");
   }
-}
\ No newline at end of file
+}
diff --git a/core/src/test/java/com/google/adk/flows/llmflows/InstructionsTest.java b/core/src/test/java/com/google/adk/flows/llmflows/InstructionsTest.java
index d035da71f..7dc1a7164 100644
--- a/core/src/test/java/com/google/adk/flows/llmflows/InstructionsTest.java
+++ b/core/src/test/java/com/google/adk/flows/llmflows/InstructionsTest.java
@@ -185,10 +185,7 @@ public void processRequest_agentInstructionProvider_appendsInstruction() {
   public void
       processRequest_agentInstructionString_withInvalidPlaceholderSyntax_appendsInstructionWithLiteral() {
     LlmAgent agent =
-        LlmAgent.builder()
-            .name("agent")
-            .instruction("Value: { invalid name } and {var.}")
-            .build();
+        LlmAgent.builder().name("agent").instruction("Value: { invalid name } and {var.}").build();
     InvocationContext context = createContext(agent, createSession());
 
     RequestProcessor.RequestProcessingResult result =