11- Create an instance of the following class and call its methods. template class Array2D { D arr [I] [J]; public: D set (const int i, const int j, const D val) { arr[i] [i] D get (const int i, const int j) { return arr[i] [i]; } }; = val; }
11- Create an instance of the following class and call its methods. template class Array2D { D arr [I] [J]; public: D set (const int i, const int j, const D val) { arr[i] [i] D get (const int i, const int j) { return arr[i] [i]; } }; = val; }
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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OOPs
In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
Constructor
The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
Question
i need the answer quickly
![Q₁: Answer all of the following:
1- How many arguments can a C++ function have?
a) One.
b) Two.
c) Three.
d) Unlimited
2- What is a variable scope?
3- If the following lines of code have errors, correct them; otherwise, write "no
errors"
float 1_b=5.5;
int a_1=b;
cout<<a
return 0;
4- Is it possible to call a function from inside a function? (Yes or No)
5- When de we need to use private keyword in C++ class?
6- A derived class can be a base class for other classes. (True or False)
7- Return by value is better than return by reference (True, False or it depends
on the case)
8- Is it possible to alter the address that the reference points to? (Yes or No)
9- We can write as many copy constructor in a C++ class as we want. (True or
False)
10-Syntax error is
logical errors (harder than, equal in difficulty to,
simpler than)
11- Create an instance of the following class and call its methods.
template <class D, int I, int J>
class Array2D {
D arr [I] [J];
public:
D set (const int i, const int j,
const D val) (arr[i] [i] = val; }
D get (const int i, const int j) { return arr[i] [i]; }
};
12- What is a null pointer?
13- Every C++ class has a default constructor. (True or False)
14- In C++, every line must end with a semicolon. (True or False)
15- What is template specialization?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2086a314-b7c8-49da-96dd-d6dabb5e471b%2Fd0eceb3f-00ad-4bca-9422-7db590755aca%2Fkf2tsly_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q₁: Answer all of the following:
1- How many arguments can a C++ function have?
a) One.
b) Two.
c) Three.
d) Unlimited
2- What is a variable scope?
3- If the following lines of code have errors, correct them; otherwise, write "no
errors"
float 1_b=5.5;
int a_1=b;
cout<<a
return 0;
4- Is it possible to call a function from inside a function? (Yes or No)
5- When de we need to use private keyword in C++ class?
6- A derived class can be a base class for other classes. (True or False)
7- Return by value is better than return by reference (True, False or it depends
on the case)
8- Is it possible to alter the address that the reference points to? (Yes or No)
9- We can write as many copy constructor in a C++ class as we want. (True or
False)
10-Syntax error is
logical errors (harder than, equal in difficulty to,
simpler than)
11- Create an instance of the following class and call its methods.
template <class D, int I, int J>
class Array2D {
D arr [I] [J];
public:
D set (const int i, const int j,
const D val) (arr[i] [i] = val; }
D get (const int i, const int j) { return arr[i] [i]; }
};
12- What is a null pointer?
13- Every C++ class has a default constructor. (True or False)
14- In C++, every line must end with a semicolon. (True or False)
15- What is template specialization?
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