Java Questions - (Has 2 Parts). Based on each code, which answer out of the choices "A, B, C, D, E" is correct. Each question has one correct answer. Thank you. Part 1 - 9. In Java, composition is said to use __ relationship. A. is-a B. part-of C. has-a D. both is-a and part-of E. both has-a and part-of Part 2 - 10. Given the following code, which statement is true? class Water() { ... } class Juice() extends Water { ... } class Apple() { ... } class ApplePie() { Apple a1 = new Apple(); } class AppleJuice() { Apple a1 = new Apple(); Water w1 = new Water(); } A. Juice is a superclass and Water is a subclass. B. ApplePie is a superclass of Apple. C. ApplePie is a composite class that contains an instance of Apple class. D. AppleJuice is a superclass that contains an instance of Apple class and an instance of Water. E. Water is a composite class that contains an instance of Juice.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
icon
Related questions
Question

Java Questions - (Has 2 Parts). Based on each code, which answer out of the choices "A, B, C, D, E" is correct. Each question has one correct answer. Thank you.

Part 1 - 9. In Java, composition is said to use __ relationship.

A. is-a
B. part-of
C. has-a
D. both is-a and part-of
E. both has-a and part-of

Part 2 - 10. Given the following code, which statement is true?

class Water() { ... }
class Juice() extends Water { ... }
class Apple() { ... }
class ApplePie() { Apple a1 = new Apple(); }
class AppleJuice() { Apple a1 = new Apple(); Water w1 = new
Water(); }

A. Juice is a superclass and Water is a subclass.
B. ApplePie is a superclass of Apple.
C. ApplePie is a composite class that contains an instance of Apple class.
D. AppleJuice is a superclass that contains an instance of Apple class and an instance of Water.
E. Water is a composite class that contains an instance of Juice.

Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Mathematical functions
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
Database System Concepts
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
Starting Out with Python (4th Edition)
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
Digital Fundamentals (11th Edition)
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
C How to Program (8th Edition)
C How to Program (8th Edition)
Computer Science
ISBN:
9780133976892
Author:
Paul J. Deitel, Harvey Deitel
Publisher:
PEARSON
Database Systems: Design, Implementation, & Manag…
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781337627900
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Computer Science
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education