Something

class trietest
{
	public static void main(String[] args)
	{	Trie trie;
		TrieNode rootNode, currentNode, nextNode;
		trie = new Trie();		
		String chars[] = {"t", "a", "c", "c", "a", "g", "t", "a", "c", "c", "a", "g", "t", "a", "c", "c", "a", "c", "t", "a", "#"};
		//{"a", "b", "b", "c", "d", "e"};
		int i = 0;
		boolean addLink = false;
		
		rootNode = trie.head();
		currentNode = rootNode;
		
		while(i < chars.length )
		{	//System.out.println("Big Loop " + chars[i]);

			while(true) 
			{	//currentNode.printNode("loop");
				nextNode = trie.isChild(currentNode, chars[i]);
				if(nextNode == null) break;  // add chars[i] to currentNode as child
				else
				{	//nextNode.printNode("Great Success! found " + chars[i]);
					currentNode = nextNode;
					if( i + 1 < chars.length)	i++;
				}
			}	
		
			// so now chars[i] was not found in the current trie, so add it
			if(i < chars.length)
			{	trie.addNode(currentNode, chars[i]);
				System.out.println("(" + currentNode.intvalue + ", " + chars[i] + ")");	 // we put the encoding here
				currentNode = rootNode;
				i++;
			}
		} // end big while

		trie.printTrie();
	}// end main


}// end class test