Question: 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

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

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2. The model is credible to the trainees.

6. Have the trainees do the entire task and praise them for correct reproduction.

3. Explain the key points or behaviors. (Write out the key points for the trainees, if possible.)