for loop

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mudita sinha

for loop
2 Answer(s) 3 years and 3 months ago
Posted in : Java Beginners

write a program to print the product of all the numbers from 1 to N(this is also known as factorial of the numbers).

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February 11, 2011 at 5:25 AM

import java.util.Scanner;

public class factorialator { public static void main (String[] args) { System.out.println("\n\n"); System.out.println("FACTORIAL-ATOR\n"); float startValue; int counter; do { Scanner getNumber = new Scanner (System.in); System.out.print("Enter an INTEGER GREATER THAN or EQUAL to 0: "); startValue = getNumber.nextFloat(); } while ((startValue != (int)startValue) || (startValue<0)); startValue = ((int)startValue); if (startValue == 0) { System.out.println("\n"); System.out.print("0! = 1"); System.out.println("\n\n\n\n"); } else { int factorialOFn; factorialOFn = 1; for (counter = 1; counter <= startValue; counter++) factorialOFn = factorialOFn*counter; System.out.println("\n"); System.out.print(startValue + "! = " + factorialOFn); System.out.println("\n\n\n\n"); } } }

February 11, 2011 at 5:26 AM

import java.util.Scanner;

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