(1) Write a Java program that prompts the user to enter an integer number, then it computes its factorial. The integer number should be typed in by the user in response to a prompt message.
(1) Write a Java program that prompts the user to enter an integer number, then it computes its factorial. The integer number should be typed in by the user in response to a prompt message.
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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Follow the instructions please
![Here are sample runs of the program:
Enter a number:
5
The factorial of 5 is 120
Enter a number:
The factorial of 0 is 1
Enter a number:
-5
The number cannot be negative](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7ec5307a-abc3-454b-99d6-2f4df8b5f8d9%2F44f61987-568e-423b-ba08-7e4e94cbb78a%2Fzw3ajyg_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Here are sample runs of the program:
Enter a number:
5
The factorial of 5 is 120
Enter a number:
The factorial of 0 is 1
Enter a number:
-5
The number cannot be negative
![(1) Write a Java program that prompts the user to enter an integer number, then it
computes its factorial. The integer number should be typed in by the user in response
to a prompt message.
Hint:
The factorial of a number n can be recursively defined as follows:
0! = 1;
n! = n x (n - 1)! , where n > 0
Explanation:
0! = 1
Factorial of 0 is 1.
1! = 1
Factorial of 1 is 1.
2! = 2x1= 2
Factorial of 2 is 2.
3! = 3x2x1 = 6
Factorial of 3 is 6.
4! = 4×3×2×1 = 24
Factorial of 4 is 24.
n! = nx(n-1)x(n-2)x...x3×2×1
Factorial of n is the product of nx (n–1)×(n–2)x...x3×2×1
Your program must consider the following specifications:
Use Factorial as the name of your class.
Type your name and student number above the class declaration using a
block/paragraph comment.
Use documentation, comments and code style.
Use significant and appropriate identifiers.
Use appropriate data type for the variables.
Use long type to hold the result of the factorial.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7ec5307a-abc3-454b-99d6-2f4df8b5f8d9%2F44f61987-568e-423b-ba08-7e4e94cbb78a%2Fr5j6ac9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(1) Write a Java program that prompts the user to enter an integer number, then it
computes its factorial. The integer number should be typed in by the user in response
to a prompt message.
Hint:
The factorial of a number n can be recursively defined as follows:
0! = 1;
n! = n x (n - 1)! , where n > 0
Explanation:
0! = 1
Factorial of 0 is 1.
1! = 1
Factorial of 1 is 1.
2! = 2x1= 2
Factorial of 2 is 2.
3! = 3x2x1 = 6
Factorial of 3 is 6.
4! = 4×3×2×1 = 24
Factorial of 4 is 24.
n! = nx(n-1)x(n-2)x...x3×2×1
Factorial of n is the product of nx (n–1)×(n–2)x...x3×2×1
Your program must consider the following specifications:
Use Factorial as the name of your class.
Type your name and student number above the class declaration using a
block/paragraph comment.
Use documentation, comments and code style.
Use significant and appropriate identifiers.
Use appropriate data type for the variables.
Use long type to hold the result of the factorial.
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