Declare and implement 5 classes: FloatArray, SortedArray, FrontArray, PositiveArray & NegativeArray. 1- The FloatArray class stores a dynamic array of floats and its size. It has: - A parameterized constructor that takes the array size. - An add method that adds a float at the end of the array. - Overloading for the insertion operator << to write the array to a file (ofstream) - Overloading for the extraction operator >> to read the array elements from the file (ifstream) and add them to the array. - A destructor to deallocate the array 2- The SortedArray inherits from FloatArray. It has: - A parameterized constructor that takes the array size. - An add method that adds a float at the right place in the array such that the array remains sorted with every add. Don’t add to the array then sort but rather add in the right place. 3- The FrontArray inherits from FloatArray. It has: - A parameterized constructor that takes the array size. - An add method that adds a float at the front of the array. 4- The PositiveArray that inherits from SortedArray. It has: - A parameterized constructor that takes the array size. - An add method that adds a float to the array only if it’s a positive number. It then uses the add method of SortedArray. 5- The NegativeArray that inherits from SortedArray. It has: - A parameterized constructor that takes the array size. - An add method that adds a float to the array only if it’s a negative number. It then uses the add method of SortedArray. The only input to your program is the names of the input txt file and output txt file name. The input text file will have exactly 10 lines. Each line will have: 1-One of 5 words: Array, Front, Sorted, Positive, or Negative. This indicates the type of array to create. 2-An integer which indicates the number of elements in the array. 3-The elements to be entered into the array

Declare and implement 5 classes: FloatArray, SortedArray, FrontArray, PositiveArray & NegativeArray. 1- The FloatArray class stores a dynamic array of floats and its size. It has: - A parameterized constructor that takes the array size. - An add method that adds a float at the end of the array. - Overloading for the insertion operator << to write the array to a file (ofstream) - Overloading for the extraction operator >> to read the array elements from the file (ifstream) and add them to the array. - A destructor to deallocate the array 2- The SortedArray inherits from FloatArray. It has: - A parameterized constructor that takes the array size. - An add method that adds a float at the right place in the array such that the array remains sorted with every add. Don’t add to the array then sort but rather add in the right place. 3- The FrontArray inherits from FloatArray. It has: - A parameterized constructor that takes the array size. - An add method that adds a float at the front of the array. 4- The PositiveArray that inherits from SortedArray. It has: - A parameterized constructor that takes the array size. - An add method that adds a float to the array only if it’s a positive number. It then uses the add method of SortedArray. 5- The NegativeArray that inherits from SortedArray. It has: - A parameterized constructor that takes the array size. - An add method that adds a float to the array only if it’s a negative number. It then uses the add method of SortedArray. The only input to your program is the names of the input txt file and output txt file name. The input text file will have exactly 10 lines. Each line will have: 1-One of 5 words: Array, Front, Sorted, Positive, or Negative. This indicates the type of array to create. 2-An integer which indicates the number of elements in the array. 3-The elements to be entered into the array

EBK JAVA PROGRAMMING

9th Edition

ISBN:9781337671385

Author:FARRELL

Publisher:FARRELL

Chapter8: Arrays

Section: Chapter Questions

Problem 9PE

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Question

Declare and implement 5 classes: FloatArray, SortedArray,

FrontArray, PositiveArray & NegativeArray.

1- The FloatArray class stores a dynamic array of floats and its

size. It has:

- A parameterized constructor that takes the array size.

- An add method that adds a float at the end of the array.

- Overloading for the insertion operator << to write the array to a

file (ofstream)

- Overloading for the extraction operator >> to read the array

elements from the file (ifstream) and add them to the array.

- A destructor to deallocate the array

2- The SortedArray inherits from FloatArray. It has:

- A parameterized constructor that takes the array size.

- An add method that adds a float at the right place in the array

such that the array remains sorted with every add. Don’t add to

the array then sort but rather add in the right place.

3- The FrontArray inherits from FloatArray. It has:

- A parameterized constructor that takes the array size.

- An add method that adds a float at the front of the array.

4- The PositiveArray that inherits from SortedArray. It has:

- A parameterized constructor that takes the array size.

- An add method that adds a float to the array only if it’s a

positive number. It then uses the add method of SortedArray.

5- The NegativeArray that inherits from SortedArray. It has:

- A parameterized constructor that takes the array size.

- An add method that adds a float to the array only if it’s a

negative number. It then uses the add method of SortedArray.

The only input to your program is the names of the input txt file

and output txt file name. The input text file will have exactly

10 lines. Each line will have:

1-One of 5 words: Array, Front, Sorted, Positive, or Negative.

This indicates the type of array to create.

2-An integer which indicates the number of elements in the

array.

3-The elements to be entered into the array

09:03 10 •
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The only input to your program is the names of the input txt file
and output txt file name. The input text file will have exactly
10 lines. Each line will have:
1-One of 5 words: Array, Front, Sorted, Positive, or Negative.
This indicates the type of array to create.
2-An integer which indicates the number of elements in the
array.
3- The elements to be entered into the array.
The following is an example content of the file:
Sorted 10
8.4
-4
2.3
11
80
7
77
95
12
100
4.7
Аray 7
Front 5
3.4
9
9
8
4
7.9
0.44
1
45
23
8.5
3.98
2.5
Аггаy 6
Sorted 4
90
6.
4
111
Sorted 8
7
3
4
1.1
3.2
88
9.
Аrray 6
Front 3
Positive 7
Negative 8
13.5
7.6
33
1
7
5
1,5
7.9
-1
-44
9.7
4.3
-1
88
-1.5
-40
-9.7
4.3
13
-11
You should use polymorphism in your code by creating an array
of FloatArray* in main.
Read from the txt file and allocate your objects according to the
type of array and fill the arrays using the extraction operator
>>.
After finishing reading the file, you should write your arrays to
another text file using the insertion operator<<.
The output file for the above text file will be:
11
10|
7|
5
6|
4
-4
2.3
8.4
12
3
77
80
95
100
3.4
4.7
0.44
7.9
4.
8
45
23
8.5
90
3.98
4
2.5
4
6.
11
1.1
3
3.2
33
8
4
7
88
13.5
7.6
6|
31
3
4
1
1.5
7
4.3
7.9
9.7
-40
-11
-9.7
-1.5
Where each line begins with the number of elements followed
by the character 'I', a tab, then the array elements separated
by tabs.
Don't forgot to deallocate by deleting your objects in main after
finishing.
A sample run is found below:
Enter the name of the input file:
in.txt
Enter the name of the output file:
MyOut.txt
Process returned 0 (0xe)
Press any key to continue.
execution time : 16.048 s
of 5 words: Array, Front, Sorted, Positive, or Negau.
II

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