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
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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
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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