Binary Search a LinkedList in Java

// w  w  w.ja  v  a 2 s  .  c o m
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;

public class Main {

  public static void main(String args[]) {
    List<Character> ll = new LinkedList<Character>();

    for (char n = 'A'; n <= 'Z'; n++)
      ll.add(n);

    Collections.shuffle(ll);

    System.out.println(ll);
    Collections.sort(ll);
    System.out.println(ll);


    System.out.println("Searching for F.");
    int i = Collections.binarySearch(ll, 'F');

    if (i >= 0) {
      System.out.println("Found at index " + i);
      System.out.println("Object is " + ll.get(i));
    }
  }
}