Which of the following statements is true considering the code below? interface A{ void firstMethod(); } class AAA implements A{ public void firstMethod() { System.out.print("AAA"); } } interface B extends A{ void second Method(); } class BBB implements B{ } Class BBB must provide implementation for second Method only Class BBB must provide implementation for both firstMethod and secondMethod Only abstract class can implement an interface that extends another interface Interface cannot extend another interface