interface Test{
      int p = 10; //line 1
      public int q = 20; //line 2
      public static int r = 30; //line 3
      public static final int s = 40; //line 4
}

Which of the above line will give compilation error?

A. A contract specifying a set of methods that a class must implement B. A class that cannot be instantiated C. A class that contains only static methods D. A subclass of the Object class

A. Interfaces cannot be implemented by classes B. Only abstract classes can implement interfaces C. No, a class can only implement one interface D. Yes, a class can implement multiple interfaces

A. class B. abstract C. interface D. extends

A. To declare abstract methods B. To provide a base class with common methods and fields C. To make a class final D. None of These