Chapter 18, Problem 18.1PE

Question

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Answer 1

Question

Chapter 18, Problem 18.1PE

Expert Solution & Answer

Program Plan Intro

Factorial

Program plan:

Import required packages
Declare the main class named “Main”.
- Give the main method “public static void main ()”
  - Create an object “sc” for the scanner class.
  - Get a number from the user and store it in a variable “numberString”.
  - Create an object “bigNum” for the static method “BigInteger”.
  - Print the output.
- Give function definition for the static method “factorial ()”.
  - Check if the value is equal to zero.
    - Return 1.
  - Else,
    - Call the function “factorial ()” recursively until the result is found.

Program Description Answer

The below program is used to find the factorial for the given number using “BigInteger” class.

Explanation of Solution

Program:

//Import required packages

import java.math.*;

import java.util.*;

//Class name

public class Main

{

//Main method

public static void main(String[] args)

{

//Create an object for Scanner

Scanner sc = new Scanner(System.in);

//Print the message

System.out.print("Enter an integer of any size: ");

//Get the string from the user

String numberString = sc.nextLine();

//Create an object for the static method

BigInteger bigNum = new BigInteger(numberString);

//Print the output

System.out.println("Factorial of " + bigNum + " is " + factorial(bigNum));

}

//Static method "factorial"

public static BigInteger factorial(BigInteger value)

{

//Check if the value is equal to zero

if (value.equals(BigInteger.ZERO))

//Return 1

return BigInteger.ONE;

//Else

else

/*Call the function recursively to till the result is found*/

return value.multiply(factorial(value.subtract(BigInteger.ONE)));

}

Sample Output

Enter an integer of any size: 50

Factorial of 50 is 30414093201713378043612608166064768844377641568960512000000000000

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Answer 2

Question

Chapter 18, Problem 18.1PE

Expert Solution & Answer

Program Plan Intro

Factorial

Program plan:

Import required packages
Declare the main class named “Main”.
- Give the main method “public static void main ()”
  - Create an object “sc” for the scanner class.
  - Get a number from the user and store it in a variable “numberString”.
  - Create an object “bigNum” for the static method “BigInteger”.
  - Print the output.
- Give function definition for the static method “factorial ()”.
  - Check if the value is equal to zero.
    - Return 1.
  - Else,
    - Call the function “factorial ()” recursively until the result is found.

Program Description Answer

The below program is used to find the factorial for the given number using “BigInteger” class.

Explanation of Solution

Program:

//Import required packages

import java.math.*;

import java.util.*;

//Class name

public class Main

{

//Main method

public static void main(String[] args)

{

//Create an object for Scanner

Scanner sc = new Scanner(System.in);

//Print the message

System.out.print("Enter an integer of any size: ");

//Get the string from the user

String numberString = sc.nextLine();

//Create an object for the static method

BigInteger bigNum = new BigInteger(numberString);

//Print the output

System.out.println("Factorial of " + bigNum + " is " + factorial(bigNum));

}

//Static method "factorial"

public static BigInteger factorial(BigInteger value)

{

//Check if the value is equal to zero

if (value.equals(BigInteger.ZERO))

//Return 1

return BigInteger.ONE;

//Else

else

/*Call the function recursively to till the result is found*/

return value.multiply(factorial(value.subtract(BigInteger.ONE)));

}

Sample Output

Enter an integer of any size: 50

Factorial of 50 is 30414093201713378043612608166064768844377641568960512000000000000

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 3

Question

Chapter 18, Problem 18.1PE

Expert Solution & Answer

Program Plan Intro

Factorial

Program plan:

Import required packages
Declare the main class named “Main”.
- Give the main method “public static void main ()”
  - Create an object “sc” for the scanner class.
  - Get a number from the user and store it in a variable “numberString”.
  - Create an object “bigNum” for the static method “BigInteger”.
  - Print the output.
- Give function definition for the static method “factorial ()”.
  - Check if the value is equal to zero.
    - Return 1.
  - Else,
    - Call the function “factorial ()” recursively until the result is found.

Program Description Answer

The below program is used to find the factorial for the given number using “BigInteger” class.

Explanation of Solution

Program:

//Import required packages

import java.math.*;

import java.util.*;

//Class name

public class Main

{

//Main method

public static void main(String[] args)

{

//Create an object for Scanner

Scanner sc = new Scanner(System.in);

//Print the message

System.out.print("Enter an integer of any size: ");

//Get the string from the user

String numberString = sc.nextLine();

//Create an object for the static method

BigInteger bigNum = new BigInteger(numberString);

//Print the output

System.out.println("Factorial of " + bigNum + " is " + factorial(bigNum));

}

//Static method "factorial"

public static BigInteger factorial(BigInteger value)

{

//Check if the value is equal to zero

if (value.equals(BigInteger.ZERO))

//Return 1

return BigInteger.ONE;

//Else

else

/*Call the function recursively to till the result is found*/

return value.multiply(factorial(value.subtract(BigInteger.ONE)));

}

Sample Output

Enter an integer of any size: 50

Factorial of 50 is 30414093201713378043612608166064768844377641568960512000000000000

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Question

Chapter 18, Problem 18.1PE

Expert Solution & Answer

Program Plan Intro

Factorial

Program plan:

Import required packages
Declare the main class named “Main”.
- Give the main method “public static void main ()”
  - Create an object “sc” for the scanner class.
  - Get a number from the user and store it in a variable “numberString”.
  - Create an object “bigNum” for the static method “BigInteger”.
  - Print the output.
- Give function definition for the static method “factorial ()”.
  - Check if the value is equal to zero.
    - Return 1.
  - Else,
    - Call the function “factorial ()” recursively until the result is found.

Program Description Answer

The below program is used to find the factorial for the given number using “BigInteger” class.

Explanation of Solution

Program:

//Import required packages

import java.math.*;

import java.util.*;

//Class name

public class Main

{

//Main method

public static void main(String[] args)

{

//Create an object for Scanner

Scanner sc = new Scanner(System.in);

//Print the message

System.out.print("Enter an integer of any size: ");

//Get the string from the user

String numberString = sc.nextLine();

//Create an object for the static method

BigInteger bigNum = new BigInteger(numberString);

//Print the output

System.out.println("Factorial of " + bigNum + " is " + factorial(bigNum));

}

//Static method "factorial"

public static BigInteger factorial(BigInteger value)

{

//Check if the value is equal to zero

if (value.equals(BigInteger.ZERO))

//Return 1

return BigInteger.ONE;

//Else

else

/*Call the function recursively to till the result is found*/

return value.multiply(factorial(value.subtract(BigInteger.ONE)));

}

Sample Output

Enter an integer of any size: 50

Factorial of 50 is 30414093201713378043612608166064768844377641568960512000000000000

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Expert Solution & Answer

Program Plan Intro

Factorial

Program plan:

Import required packages
Declare the main class named “Main”.
- Give the main method “public static void main ()”
  - Create an object “sc” for the scanner class.
  - Get a number from the user and store it in a variable “numberString”.
  - Create an object “bigNum” for the static method “BigInteger”.
  - Print the output.
- Give function definition for the static method “factorial ()”.
  - Check if the value is equal to zero.
    - Return 1.
  - Else,
    - Call the function “factorial ()” recursively until the result is found.

Program Description Answer

The below program is used to find the factorial for the given number using “BigInteger” class.

Explanation of Solution

Program:

//Import required packages

import java.math.*;

import java.util.*;

//Class name

public class Main

{

//Main method

public static void main(String[] args)

{

//Create an object for Scanner

Scanner sc = new Scanner(System.in);

//Print the message

System.out.print("Enter an integer of any size: ");

//Get the string from the user

String numberString = sc.nextLine();

//Create an object for the static method

BigInteger bigNum = new BigInteger(numberString);

//Print the output

System.out.println("Factorial of " + bigNum + " is " + factorial(bigNum));

}

//Static method "factorial"

public static BigInteger factorial(BigInteger value)

{

//Check if the value is equal to zero

if (value.equals(BigInteger.ZERO))

//Return 1

return BigInteger.ONE;

//Else

else

/*Call the function recursively to till the result is found*/

return value.multiply(factorial(value.subtract(BigInteger.ONE)));

}

Sample Output

Enter an integer of any size: 50

Factorial of 50 is 30414093201713378043612608166064768844377641568960512000000000000

Answer 6

Expert Solution & Answer

Program Plan Intro

Factorial

Program plan:

Import required packages
Declare the main class named “Main”.
- Give the main method “public static void main ()”
  - Create an object “sc” for the scanner class.
  - Get a number from the user and store it in a variable “numberString”.
  - Create an object “bigNum” for the static method “BigInteger”.
  - Print the output.
- Give function definition for the static method “factorial ()”.
  - Check if the value is equal to zero.
    - Return 1.
  - Else,
    - Call the function “factorial ()” recursively until the result is found.

Program Description Answer

The below program is used to find the factorial for the given number using “BigInteger” class.

Explanation of Solution

Program:

//Import required packages

import java.math.*;

import java.util.*;

//Class name

public class Main

{

//Main method

public static void main(String[] args)

{

//Create an object for Scanner

Scanner sc = new Scanner(System.in);

//Print the message

System.out.print("Enter an integer of any size: ");

//Get the string from the user

String numberString = sc.nextLine();

//Create an object for the static method

BigInteger bigNum = new BigInteger(numberString);

//Print the output

System.out.println("Factorial of " + bigNum + " is " + factorial(bigNum));

}

//Static method "factorial"

public static BigInteger factorial(BigInteger value)

{

//Check if the value is equal to zero

if (value.equals(BigInteger.ZERO))

//Return 1

return BigInteger.ONE;

//Else

else

/*Call the function recursively to till the result is found*/

return value.multiply(factorial(value.subtract(BigInteger.ONE)));

}

Sample Output

Enter an integer of any size: 50

Factorial of 50 is 30414093201713378043612608166064768844377641568960512000000000000

Answer 7

Expert Solution & Answer

Answer 8

Expert Solution & Answer

Answer 9

Program Plan Intro

Factorial

Program plan:

Import required packages
Declare the main class named “Main”.
- Give the main method “public static void main ()”
  - Create an object “sc” for the scanner class.
  - Get a number from the user and store it in a variable “numberString”.
  - Create an object “bigNum” for the static method “BigInteger”.
  - Print the output.
- Give function definition for the static method “factorial ()”.
  - Check if the value is equal to zero.
    - Return 1.
  - Else,
    - Call the function “factorial ()” recursively until the result is found.

Answer 10

Program Description Answer

The below program is used to find the factorial for the given number using “BigInteger” class.

Answer 11

Explanation of Solution

Program:

//Import required packages

import java.math.*;

import java.util.*;

//Class name

public class Main

{

//Main method

public static void main(String[] args)

{

//Create an object for Scanner

Scanner sc = new Scanner(System.in);

//Print the message

System.out.print("Enter an integer of any size: ");

//Get the string from the user

String numberString = sc.nextLine();

//Create an object for the static method

BigInteger bigNum = new BigInteger(numberString);

//Print the output

System.out.println("Factorial of " + bigNum + " is " + factorial(bigNum));

}

//Static method "factorial"

public static BigInteger factorial(BigInteger value)

{

//Check if the value is equal to zero

if (value.equals(BigInteger.ZERO))

//Return 1

return BigInteger.ONE;

//Else

else

/*Call the function recursively to till the result is found*/

return value.multiply(factorial(value.subtract(BigInteger.ONE)));

}

Answer 12

Sample Output

Enter an integer of any size: 50

Factorial of 50 is 30414093201713378043612608166064768844377641568960512000000000000

Answer 13

Chapter 18.2, Problem 18.2.1CP Chapter 18.2, Problem 18.2.2CP Chapter 18.2, Problem 18.2.3CP Chapter 18.2, Problem 18.2.4CP Chapter 18.2, Problem 18.2.5CP Chapter 18.2, Problem 18.2.6CP Chapter 18.3, Problem 18.3.1CP Chapter 18.3, Problem 18.3.2CP Chapter 18.3, Problem 18.3.3CP Chapter 18.4, Problem 18.4.1CP

Chapter 18, Problem 18.1PE

Explanation of Solution

Want to see more full solutions like this?

Chapter 18 Solutions