The class Animal has a constructor that takes one int argument. Which of the following is a valid statement that declares and creates an instance of an Animal in a program?
The class Animal has a constructor that takes one int argument. Which of the following is a valid statement that declares and creates an instance of an Animal in a program?
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
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Question
![The class Animal has a constructor that takes
one int argument. Which of the following is a
valid statement that declares and creates an
instance of an Animal in a program?
Animal elephant = new Animal(10);
Animal elephant = new(10);
Animal elephant = new Elephant(10);
Animal elephant = newAnimal(10);
Assuming that x, y, and z are integer variables,
which of the following expressions are
equivalent to each other
I. ( x == y && x != z ) || (x != y
& & X
== z )
II. ( x
y || x == z ) && ( x != y
%3D33=
|| x != z )
III. ( x == y )
( x == z )
==
O1, II, and III
O Il and III only](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7bd2868d-2234-4882-be08-da43c7707af5%2F826969fc-1c93-4f5c-8558-72bd35caf40c%2Fi0nkvyd_processed.png&w=3840&q=75)
Transcribed Image Text:The class Animal has a constructor that takes
one int argument. Which of the following is a
valid statement that declares and creates an
instance of an Animal in a program?
Animal elephant = new Animal(10);
Animal elephant = new(10);
Animal elephant = new Elephant(10);
Animal elephant = newAnimal(10);
Assuming that x, y, and z are integer variables,
which of the following expressions are
equivalent to each other
I. ( x == y && x != z ) || (x != y
& & X
== z )
II. ( x
y || x == z ) && ( x != y
%3D33=
|| x != z )
III. ( x == y )
( x == z )
==
O1, II, and III
O Il and III only
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