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Homework2 Object-oriented programming allows you to derive new classes from existing classes This is called A encapsulation B. inheritance Cabstraction D. generalization Which of the following statements are true? A. A subclass is a subset of a superclass B A subclass is usually extended to contain more functions and more detailed information than its superclass C. class A extends B" means A is a subclass of R. D. "class A extends B means B is a subclass of A Show the output of the following programs. Pret TI potem AN MO par Sempre us The method the whole when piwo pic SIE Show the output of the following programs has us as be dessum ded dem pl New In the following code, the classes A and B are in the different package. 1. If the question marks in (a) are replaced by blanks can class B be compiled? 2. If the question marks in (a) are replaced by private, can class B be compiled! 3. If the question marks in (a) are replaced by protected can class B be compiled! 4. If the question marks in (a) are replaced by public, can clas Bbe compiled? pahad or part 1st motikarms . tal llaa What is the output of the following code? public class Test! public static void main(String ws) ChildClass new ChildClass: printo 10 class ParentClass B.1 int id-1: c. 2 void print D. Nothing System.out.println(ids 1 1 class ChildClass extends Parent Class int id-2: 1 What is the output of running class CP class A public ADI System.out.println The default constructor of A is invoked 1 A. Nothing displayed class B extends A B. "The default constructor of B is invoked public BO! C. The default constructor of Ais invoked System.out.println The default constructor of B is invoked The default constructor of Bis D. "The default constructor of B is invoked invoked"); "The default constructor of Ais invoked E. "The default constructor of Ais invoker 1 public class : public static void main(String args Bbw 1 Which of the statements regarding the super keyword is incorrect? A. You can use super to invoke a super class constructor B. You can use super to invoke a super class method C. You can use super super p to invoke a method in superclass's parent class D. You cannot invoke a method in superclass's parent class Which of the following classes cannot be extended? A. class A1 B. class A private A. C. final class A1 D. class A protected 10