Dash Simi‎ Question

//IMPLEMENTING MULTIPLE INTERFACES WITH THE SAME DEFAULT METHOD NAMES
interface Abc
{
    default void abc(){
        System.out.println("abc");
    }

}

interface Xyz
{
    default void abc(){
        System.out.println("xyz");
    }

}

class Def implements Abc,Xyz
{
    public static void main(String[] args){
        System.out.println("Main method");
    }
}