chia7712 commented on code in PR #21481:
URL: https://github.com/apache/kafka/pull/21481#discussion_r2937056274


##########
tools/src/main/java/org/apache/kafka/tools/TopicCommand.java:
##########
@@ -164,9 +165,9 @@ private static Properties 
parseTopicConfigsToBeAdded(TopicCommandOptions opts) {
             throw new IllegalArgumentException("requirement failed: Invalid 
topic config: all configs to be added must be in the format \"key=val\".");
         }
 
-        Properties props = new Properties();
+        Map<String, String> props = new HashMap<>();
         configsToBeAdded.stream()

Review Comment:
   ```java
   configsToBeAdded.forEach(pair -> props.put(pair.get(0).trim(), 
pair.get(1).trim()));
   ```



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