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java If Student is an abstract class containing public method lettergrade(), and Undergrads is a subclass of Student. Method gpa() is only contained inside Undergrads.
java
If Student is an abstract class containing public method lettergrade(), and Undergrads is a subclass of Student. Method gpa() is only contained inside Undergrads. Which of the following statements is legal? Student s 3 = new Student("Zoe"); Student s1 = new Undergrads(); s1.lettergrade(): Student $ 2 = new Undergrads(); double score = s1.gpa): Undergrades $4= new Student(); s4.lettergrade) Step by Step Solution
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