Public Method firstKey

Object firstKey()

Throws:

• NoSuchElementException

_INSERT_METHOD_SIGNATURE_HERE_

Returns the first key currently in this sorted map.

Example

   TreeMap treeMap = new TreeMap();
   treeMap.put("1", "T");
   treeMap.put("2", "r");
   treeMap.put("3", "e");
   treeMap.put("4", "e");
   treeMap.put("5", "M");
   treeMap.put("6", "a");
   treeMap.put("7", "p");
   Logger.log("TreeMap: " + treeMap.firstKey());

The example above returns the first key in this map.