java.util.Properties VS HashMap

java.util.Properties

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Properties is a special case of Hashtable, holding only Strings as keys and values

The Properties can be saved to a stream or loaded from a stream

Each key and its corresponding value in the property list is a string.

 

Properties inherits from Hashtable- 

java.lang.Object

  java.util.Dictionary

      java.util.Hashtable

          java.util.Properties

 

Object

setProperty(String key, String value)           Calls the Hashtable method put.

 

 

 

 

HashMap:

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Both entries are object not string and it has rich set of Collection Handling API

 

put(Object key, Object value)
          Associates the specified value with the specified key in this map.