Public Method containsKey

boolean containsKey(Object key)

Overrides:

• containsKey in class AbstractMap

_INSERT_METHOD_SIGNATURE_HERE_

Returns true if this map contains a mapping for the specified key.

Example

   HashMap map = new HashMap();
   Integer i = new Integer(0);
   map.put(i, "value");

   if (map.containsKey(i))
      Logger.log("This map contains the specified key!");

The example above verifies that the map contains the specified key and writes the result to the logger.