diff --git a/core-java/src/test/java/com/baeldung/java/nio2/async/AsyncEchoClient.java b/core-java/src/test/java/com/baeldung/java/nio2/async/AsyncEchoClient.java
index 2b25120dd4..eaaf3dea06 100644
--- a/core-java/src/test/java/com/baeldung/java/nio2/async/AsyncEchoClient.java
+++ b/core-java/src/test/java/com/baeldung/java/nio2/async/AsyncEchoClient.java
@@ -40,8 +40,8 @@ public class AsyncEchoClient {
         }
     }
 
-    public String sendMessage(String message) throws ExecutionException, InterruptedException {
-        byte[] byteMsg = new String(message).getBytes();
+    public String sendMessage(String message) throws Exception {
+        byte[] byteMsg = message.getBytes();
         ByteBuffer buffer = ByteBuffer.wrap(byteMsg);
         Future<Integer> writeResult = client.write(buffer);
 
@@ -65,7 +65,7 @@ public class AsyncEchoClient {
         }
     }
 
-    public static void main(String[] args) throws IOException, ExecutionException, InterruptedException {
+    public static void main(String[] args) throws Exception {
         AsyncEchoClient client = AsyncEchoClient.getInstance();
         client.start();
         BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
diff --git a/core-java/src/test/java/com/baeldung/java/nio2/async/AsyncEchoTest.java b/core-java/src/test/java/com/baeldung/java/nio2/async/AsyncEchoTest.java
index 475c91095e..93cb3e1eb6 100644
--- a/core-java/src/test/java/com/baeldung/java/nio2/async/AsyncEchoTest.java
+++ b/core-java/src/test/java/com/baeldung/java/nio2/async/AsyncEchoTest.java
@@ -1,14 +1,13 @@
 package com.baeldung.java.nio2.async;
 
-import static org.junit.Assert.*;
-
-import java.io.IOException;
-import java.util.concurrent.ExecutionException;
-
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 
+import java.io.IOException;
+
+import static org.junit.Assert.assertEquals;
+
 public class AsyncEchoTest {
 
     Process server;
@@ -21,7 +20,7 @@ public class AsyncEchoTest {
     }
 
     @Test
-    public void givenServerClient_whenServerEchosMessage_thenCorrect() throws ExecutionException, InterruptedException {
+    public void givenServerClient_whenServerEchosMessage_thenCorrect() throws Exception {
         String resp1 = client.sendMessage("hello");
         String resp2 = client.sendMessage("world");
         assertEquals("hello", resp1);