fix: Added Java Example in configuration.md

docs/streaming/configuration.md

@@ -6,6 +6,7 @@ It's set by [RunConfig](https://github.com/google/adk-python/blob/main/src/googl
 
 For example, if you want to set voice config, you can leverage speech_config. 
 
+==="Python"
 ```python
 voice_config = genai_types.VoiceConfig(
     prebuilt_voice_config=genai_types.PrebuiltVoiceConfigDict(
@@ -20,5 +21,47 @@ runner.run_live(
     run_config=run_config,
 )
 ```
+==="Java"
+```
+package agents;
+
+import com.google.adk.agents.BaseAgent;
+import com.google.adk.agents.LlmAgent;
+import com.google.adk.events.Event;
+import com.google.adk.runner.Runner;
+import com.google.adk.sessions.InMemorySessionService;
+import io.reactivex.rxjava3.core.Flowable;
+
+public class GeminiStreamingAgent {
+  public static BaseAgent ROOT_AGENT = initAgent();
+
+  private static BaseAgent initAgent() {
+    return LlmAgent.builder()
+        .name("gemini-streaming-agent")
+        .description("Agent demonstrating Gemini Live streaming")
+        .model("gemini-2.0-flash-live-001")
+        .instruction("Respond in streaming mode. Use concise messages.")
+        .build();
+  }
+
+  public static void main(String[] args) {
+    InMemorySessionService sessionService = new InMemorySessionService();
+    Runner runner = new Runner(ROOT_AGENT, "GeminiLiveApp", null, sessionService);
+
+    var session = sessionService.createSession("GeminiLiveApp", "user1").blockingGet();
+
+    // Demonstrate streaming via console
+    Flowable<Event> stream = runner.runLive(session.userId(), session.id(), "What's trending in AI today?");
+
+    stream.subscribe(event -> {
+      System.out.print(event.stringifyContent());
+    }, err -> {
+      err.printStackTrace();
+    }, () -> {
+      System.out.println("\n［Stream Complete］");
+    });
+  }
+}
+```