[GitHub] [shardingsphere] xue2lang commented on issue #13405: class TypedSPIRegistry copy Properties，why use not use Properties.put(key,value) instead of Properties.setProperty(key,value)

[GitBox <gi...@apache.org>]

xue2lang commented on issue #13405:
URL: https://github.com/apache/shardingsphere/issues/13405#issuecomment-957161323


   Properties only support String value 
   ```java
       public String getProperty(String key) {
           Object oval = super.get(key);
           String sval = (oval instanceof String) ? (String)oval : null;
           return ((sval == null) && (defaults != null)) ? defaults.getProperty(key) : sval;
       }
   ```


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