6.4.2. Adding and Replacing a Key Value

Procedure 6.3. Adding and Replacing a Key Value

1. Add an entry with key as the key value.

   cache.put("key", "value");
   

2. Check if the key value is missing. If the value is not found, replace the absent value with key. If the value is found, no change occurs.

   cache.putIfAbsent("key", "newValue");