Update CreateAccountDemo.java

Signed-off-by: SimiHunjan <simi.hunjan.k@gmail.com>

Author: SimiHunjan

.github/examples/java/CreateAccountDemo.java

@@ -40,7 +40,7 @@ public static void main(String[] args) throws Exception {
         System.out.println("EVM Address: 0x" + newPublicKey.toEvmAddress() + "\n");
 
         System.out.println("\nWaiting for Mirror Node to update...\n");
-        Thread.sleep(6000);
+        Thread.sleep(10000);
 
         String url = mirrorNodeUrl + "/balances?account.id=" + newAccountId;
         HttpClient httpClient = HttpClient.newHttpClient();