OTHER ANSWERS ON CHEGG ARE INCORRECT SELECTIONS ARENT NECESSARILY CORRECT 22. Wh
ID: 3916452 • Letter: O
Question
OTHER ANSWERS ON CHEGG ARE INCORRECTSELECTIONS ARENT NECESSARILY CORRECT 22. What is the purpose of the keyword "this"? (2 points) O It allows you to instantiate an object and not give it a name. O It allows you to instantiate an object when the class does not provide a constructor. O It allows a method in a class to pass a reference to the object currently represented by that class to a method in another class. O It is the mechanism by which polymorphism is implemented. O It allows you to extend an abstract class. 23. Consider the following code: intl] array int index; new int some positive integer >] // assume that array is filled with values here // assume that the user enters a value for index here if ((index >-0) && (index
Explanation / Answer
ANSWER 22: Here option(a) is correct because by this we can instantiate the class variables but in this case, we will need a constructor so the first option is the best choice here.
ANSWER 23: Here option(E) is correct because it does not throw any exception in because it is handled by the if condition itself.
ANSWER 24: Here option(B) is correct because in parent class reference we can put the child class reference but there should be the method call for child class object so here BasicCheckingAccount class method will be called.
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