Attached is the question.C++Create a class String similar to the standard class string. Include the following operations: ### Assignment Requirements for String Class ImplementationThis assignment involves creating a custom `String` class in C++. Your implementation should include the following functionalities:1. **Default Constructor**: - Implement a default constructor for the `String` class.2. **Constructor with C String Argument**: - Implement a constructor that accepts a C string (null-terminated char array) as an argument. - The characters of the constructed `String` object should be copies of the characters from the C string.3. **Length Method**: - Implement a method named `length()` that returns the length of the string.4. **Indexing Operator**: - Implement an indexing operator to access individual characters of the `String`.5. **C_String Method**: - Implement a method named `c_str()` that returns a pointer to a C string that belongs to the `String` object.**Note**: - The easiest way to implement this class is by using an STL vector to store the characters of the string. However, for the purposes of this assignment, **you are not allowed to do that**. Instead, you must directly use a dynamically allocated array.### Additional Information:- You must manage memory dynamically and ensure no memory leaks occur.- Test your class thoroughly to ensure all functionalities work as expected. The purpose of this assignment is to deepen your understanding of dynamic memory management, constructors, destructors, and operator overloading in C++.### Summary- **(a)** Default Constructor- **(b)** Constructor with C String Argument (Deep Copy)- **(c)** `length()` Method- **(d)** Indexing Operator- **(e)** `c_str()` Method (Returns C String Pointer)**Implementation Constraint**: Do **not** use STL vectors; use dynamically allocated array instead.Good luck with your implementation!

source code #include <bits/stdc++.h> using namespace std; class String{ private: char*…

(a) A default constructor. (b) A constructor that takes a C string as argument. The characters of the constructed string should be copies of the characters of the C string. (c) The method length (). (d) An indexing operator. (e) The method c_str(). (This method should return a pointer to a C string that belongs to the String object.) 1 The easiest way to implement this class is to use an STL vector to store the characters of the string. But for the purposes of this assignment, you are not allowed to do that. Instead, you have to directly use a dynamically allocated array

(a) A default constructor. (b) A constructor that takes a C string as argument. The characters of the constructed string should be copies of the characters of the C string. (c) The method length (). (d) An indexing operator. (e) The method c_str(). (This method should return a pointer to a C string that belongs to the String object.) 1 The easiest way to implement this class is to use an STL vector to store the characters of the string. But for the purposes of this assignment, you are not allowed to do that. Instead, you have to directly use a dynamically allocated array

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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Concept explainers

Concept of Pointer Parameter

Pointers are the special variable that stores the variable address, instead of storing the variable value. Pointer is a powerful feature of a programming language. A pointer is mostly used to save memory space and improve execution time.

Question

Attached is the question.

C++

Create a class String similar to the standard class string. Include the following operations:

### Assignment Requirements for String Class Implementation

This assignment involves creating a custom `String` class in C++. Your implementation should include the following functionalities:

1. **Default Constructor**:
- Implement a default constructor for the `String` class.

2. **Constructor with C String Argument**:
- Implement a constructor that accepts a C string (null-terminated char array) as an argument.
- The characters of the constructed `String` object should be copies of the characters from the C string.

3. **Length Method**:
- Implement a method named `length()` that returns the length of the string.

4. **Indexing Operator**:
- Implement an indexing operator to access individual characters of the `String`.

5. **C_String Method**:
- Implement a method named `c_str()` that returns a pointer to a C string that belongs to the `String` object.

**Note**:
- The easiest way to implement this class is by using an STL vector to store the characters of the string. However, for the purposes of this assignment, **you are not allowed to do that**. Instead, you must directly use a dynamically allocated array.

### Additional Information:

- You must manage memory dynamically and ensure no memory leaks occur.
- Test your class thoroughly to ensure all functionalities work as expected.

The purpose of this assignment is to deepen your understanding of dynamic memory management, constructors, destructors, and operator overloading in C++.

### Summary

- **(a)** Default Constructor
- **(b)** Constructor with C String Argument (Deep Copy)
- **(c)** `length()` Method
- **(d)** Indexing Operator
- **(e)** `c_str()` Method (Returns C String Pointer)

**Implementation Constraint**: Do **not** use STL vectors; use dynamically allocated array instead.

Good luck with your implementation!

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