QUESTION 18 Look at the following code. Which line in Class has an error? Line 1 public 1nterface NyInterface Line 3 int FIELDA 55: Line 4 publie int met hoda (doible) : Line S Line 6 publse class clasn inplements Mynterface Line 7 Line FIELDA-60: Line 9 public int methodA (doble) Line 10 07 0 8 09 QUESTION 19 When this is the argument passed to the JFrane class's setbefaultcioseoperation () mothod, the application O JFrame.EXIT ON_CLOSE O JFrame.HIDE NOT_CLOSE O JFrame. HIDE ON CLOSE is hidden, but not closed. HIDE ON CLOSE QUESTION 20 If a class contains an abstract method O you must create an instance of the class Othe method will have only a header, but not a body, and end with a semicolorn the method cannot be overidden in subclasses O All of these