cat-and-tomato opened a new issue, #9460:
URL: https://github.com/apache/rocketmq/issues/9460

   ### Before Creating the Enhancement Request
   
   - [x] I have confirmed that this should be classified as an enhancement 
rather than a bug/feature.
   
   
   ### Summary
   
   ### Enhancement Description
   
   This issue proposes two small improvements to increase code readability, 
maintainability, and compliance with Java best practices.
   
   ### Code Changes
   
   ```java
   // 1. Use Arrays.fill to clear byte array
   
   // Before:
   for (int i = 0; i < bytes.length; i++) {
       bytes[i] = (byte) 0x00;
   }
   
   // After:
   Arrays.fill(bytes, (byte) 0x00);
   
   // ------------------------------------------------------
   
   // 2. Explicitly specify charset when constructing String
   
   // Before:
   String s = new String(bos.toByteArray());
   
   // After:
   String s = new String(bos.toByteArray(), StandardCharsets.UTF_8);
   
   
   ### Motivation
   
   These changes improve code readability and robustness with no functional 
impact. They follow standard Java best practices
   
   ### Describe the Solution You'd Like
   
   Just like what was mentioned above
   
   ### Describe Alternatives You've Considered
   
   Just like what was mentioned above
   
   ### Additional Context
   
   _No response_


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