Compile Java File: CollectionsBinarySearchExample5

import java.util.*;
public class CollectionsBinarySearchExample5 {
	public static void main(String[] args) {
	  //Create a list
        List<Domain> list = new ArrayList<Domain>();
        list.add(new Domain(10, "www.JavaTpoint.com"));
        list.add(new Domain(20, "www.sssit.com"));
        list.add(new Domain(30, "www.hindi100.com"));
        Comparator<Domain> c = new Comparator<Domain>()
        {
            public int compare(Domain u1, Domain u2)
            {
                return u1.getId().compareTo(u2.getId());
            }
        };
        /* Searching a domain with key value 10. To search
        we create an object of domain with key 10. */
        int index = Collections.binarySearch(list, new Domain(10, null), c);
        System.out.println("Available at index: " + index);
        //Searching an item with key 5
        index = Collections.binarySearch(list, new Domain(5, null), c);
        System.out.println("Found at index: " +index);
        }
}
//user-defined class to store domains with id and url
class Domain
{
    private int id;
    private String url;
    // Constructor
    public Domain(int id, String url)
    {
        this.id = id;
        this.url = url;
    }
    public Integer getId()
    {
        return Integer.valueOf(id);
    }
}

Output

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