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

   TreeMap treeMap1 = new TreeMap();
   treeMap1.put("1", "T");
   treeMap1.put("2", "r");
   treeMap1.put("3", "e");
   treeMap1.put("4", "e");
   treeMap1.put("5", "M");
   treeMap1.put("6", "a");
   treeMap1.put("7", "p");

   if (treeMap.containsKey("2"))
      Logger.log("This treeMap contains the key 2");

The example above prints the result to the logger if the treeMap contains the key string 2.