Trie4J sample code

Sample.java

import org.trie4j.doublearray.DoubleArray;
import org.trie4j.louds.LOUDSTrie;
import org.trie4j.patricia.simple.PatriciaTrie;

public class Sample {
    public static void main(String[] args) throws Exception{
        PatriciaTrie pat = new PatriciaTrie();
        pat.insert("Hello");
        pat.insert("World");
        pat.insert("Wonder");
        pat.insert("Wonderful!");
        pat.contains("Hello"); // -> true
        pat.predictiveSearch("Wo"); // -> {"Wonder", "Wonderful!", "World"} as Iterable<String>

        DoubleArray da = new DoubleArray(pat); // construct DoubleArray from existing Trie
        da.contains("World"); // -> true

        LOUDSTrie lt = new LOUDSTrie(pat); // construct LOUDS succinct Trie
        lt.contains("Wonderful!"); // -> true
        lt.commonPrefixSearch("Wonderful!"); // -> {"Wonder", "Wonderful!"} as Iterable<String>
    }
}