Introduction

In this blog, I will explain about the Factorial program, using Java I/O stream. It is very simple in Java programming. The output will be displayed in the Run module.

Software Requirement

JDK1.3.
Simple program
  1. import java.io.*;
  2. class da {
  3. public static void main(String arg[]) throws IOException {
  4. DataInputStream d = new DataInputStream(System.in);
  5. int i, n, f;
  6. String s;
  7. f = 1;
  8. System.out.print("enter the number : ");
  9. s = d.readLine();
  10. n = Integer.parseInt(s);
  11. for (i = 1; i <= n; i++) {
  12. f = f * i;
  13. }
  14. System.out.println("\n" + "factorial of given number " + n + " is : " + f);
  15. }
  16. }
Explanation
In this blog, I will explain about the Factorial program, using Java I/O stream. The output will be displayed in the Run module.

Output
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