java

Given the following interfaces:

interface Sauce { default boolean extraSauce( ) { return false; }; } interface Topping{ String[ ] toppings( ); }

Suppose that we wish to declare class Pizza that implements both of the above interfaces. What methods must class Pizza declare?

Only method extraSauce()

Both methods topping() and extraSauce()

Only method topping()

Neither method topping() nor method extraSauce()