org.apache.commons.collections4

## Class TrieUtils

- java.lang.Object
- - org.apache.commons.collections4.TrieUtils

-     public class TrieUtils
      extends Object

  A collection of `Trie` utilities.
  Since:
    4.0
  Version:
    $Id: TrieUtils.java 1686855 2015-06-22 13:00:27Z tn $

- - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `static <K,V> Trie<K,V>` | `unmodifiableTrie(Trie<K,? extends V> trie)` Returns an unmodifiable instance of a `Trie`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Method Detail

    - #### unmodifiableTrie

          public static <K,V> Trie<K,V> unmodifiableTrie(Trie<K,? extends V> trie)

      Returns an unmodifiable instance of a `Trie`
      Type Parameters:
        `K` - the key type
        `V` - the value type
      Parameters:
        `trie` - the trie to make unmodifiable, must not be null
      Returns:
        an unmodifiable trie backed by the given trie
      Throws:
        `NullPointerException` - if trie is null
      See Also:
        `Collections.unmodifiableMap(java.util.Map)`

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