Question: R10.2 Suppose C is a class that implements the interfaces I and J, and suppose i is declared as: I i = new C(); Which

R10.2 Suppose C is a class that implements the interfaces I and J, and suppose i is declared as: I i = new C();

Which of the following statements will throw an exception?

a. C c = (C) i; b. J j = (J) i; c. i = (I) null;

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Q:

R9.12 Suppose C is a class that implements the interfaces I and J. Which of the following assignments require a cast? C c = . . .; I i = . . .; J j = . . .; a. c = i; b. j = c; c. i = j; R9.13...

Q:

Suppose C is a class that implements the interfaces I and J, and i is declared as I i = new C(); Which of the following statements will throw an exception? a. C c = (C) i; b. J j = (J) i; c. i = (I)...

Q:

R10.1 Suppose C is a class that implements the interfaces I and J. Which of the following assignments require a cast? C c = . . .; I i = . . .; J j = . . .; a. c = i; b. j = c; c. i = j;

Q:

Suppose C is a class that implements the interfaces I and J. Which of the following assignments require a cast? C c = . . .; I i = . . .; J j = . . .; a. c = i; b. j = c; c. i = j;

Q:

Please choose all the answers that apply. Select 2 options. A class can extend one class and implements many interfaces An interface can extend many interfaces A class can extend one class and many...

Q:

The following test is related to questions 1, 2 and 3: Suppose Emotable is an interface and class Bird implements Emotable. Also assume that class BigBird extends Bird. Now consider the following...

Q:

JAVA (in your own words plzzzz) 18. What is polymorphism? 19. What is dynamic binding? What is late binding? Give an example of each. 20. Is overloading a method name an example of polymorphism? 21....

Q:

answer the question clearly You are building a flight-control system for which a convincing safety case must be made. Would you assign the tasks of safety requirements engineering, test case...

Q:

How do I transfer my currrent GUI into a new GUI with a click event outputing data ?. import javax.swing.*; import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener;...

Q:

The following are multiple choice questions. (11-30) 11. Mia can either bake 10 mango tarts or clean 2 cars in one hour. If Mia decides to do both these jobs within the same hour, what would be her...

Q:

Your current salary is a fixed sum of $105,625 per year. You have an offer for another job. The salary there is a flat $52,900 plus a chance to earn an additional $123,500 if the company does well....

Q:

At the end of last year, the company's assets were $870,000 and its liabilities were $740,000. During the current year, the company's total assets increased by $59,000 and its total liabilities...

Q:

ROA is computed as: Group of answer choices Profit margin Asset turnover Net income / Average stockholders equity Net income / Total assets Earnings / Average total assets

Q:

A large storage tank containing ethanol is transferred to a reactor at a flow rate of 1500 L/min. A pipe with a Diameter Nominal (DN) 90 Schedule 40 is used for the piping system. The figure shows...

Q:

Go to the website of the Federal Reserve Bank of St. Louis (http://www.stlouisfed.org) to find some information about the Fed. Find a map of the Federal Reserve districts. If you live in the United...

Q:

Suppose that the T-account for First National Bank is as follows: Assets Liabilities Reserves $100,000 Deposits $500,000 Loans 400,000 a. If the Fed requires banks to hold 5 percent of deposits as...

Q:

Imagine that you intend to buy a portfolio of ten stocks with some of your savings. Should the stocks be of companies in the same industry? Should the stocks be of companies located in the same...