Java tutorial
import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.List; public class MainClass { public static void main(String args[]) { String str[] = { "B", "H", "L", "M", "I", "N", "R" }; // Convert to list List list = new ArrayList(Arrays.asList(str)); // Ensure list sorted Collections.sort(list); System.out.println("Sorted list: [length: " + list.size() + "]"); System.out.println(list); // Search for element in list int index = Collections.binarySearch(list, "M"); System.out.println("Found M @ " + index); // Search for element not in list index = Collections.binarySearch(list, "J"); System.out.println("Didn't find J @ " + index); // Insert int newIndex = -index - 1; list.add(newIndex, "J"); System.out.println("With J added: [length: " + list.size() + "]"); System.out.println(list); } }