How are Anonymous inner classes used in Java?

Question

What is the use of anonymous classes in Java? Can we say that usage of anonymous class is one of the advantages of Java?

Answer 1

You can use anonymous class this way

TreeSet treeSetObj = new TreeSet(new Comparator()
{
    public int compare(String i1,String i2)
    {
        return i2.compareTo(i1);
    }
});