import java.util.*;

public class example2 {

    public static void main(String[] a) {
        LinkedList <String> cs = new LinkedList<String>();
        // code to add elements
        cs.add( "data" );
        cs.add( "element" );
        cs.add( "boolean" );
        cs.add( "computer" );
        cs.add( "algorithm" );

        // Here’s the one-liner (excellent!) to sort that list:
        Collections.sort( cs );
        System.out.println("lexicographic order: " + cs );
    }

}