Recursive Factorial Demo

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Recursive Factorial Demo. pubic class Factorial { public static int fact ( int n ) { if ( n == 0 ) return 1 ; else return n * fact ( n - 1 ); } public static void main ( String [] args ) { System . out . println ( fact ( 3 )); } }. static int fact ( int n ) { - PowerPoint PPT Presentation

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Introduction to Computer Science • Robert Sedgewick and Kevin Wayne • http://www.cs.Princeton.EDU/IntroCS

Recursive Factorial Demo

pubic class Factorial { public static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

public static void main(String[] args) { System.out.println(fact(3)); }}

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(3)n = 3

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(3)n = 3

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(3)n = 3

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(3)n = 3

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(2)n = 2

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(3)n = 3

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(2)n = 2

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(3)n = 3

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(2)n = 2

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(3)n = 3

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(2)n = 2

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(1)n = 1

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(3)n = 3

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(2)n = 2

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(1)n = 1

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(3)n = 3

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(2)n = 2

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(1)n = 1

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(3)n = 3

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(2)n = 2

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(1)n = 1

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(0)n = 0

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(3)n = 3

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(2)n = 2

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(1)n = 1

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(0)n = 0

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(3)n = 3

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(2)n = 2

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(1)n = 1

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(0)n = 0

environment

1

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(3)n = 3

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(2)n = 2

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(1)n = 1

environment

11

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(3)n = 3

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(2)n = 2

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(1)n = 1

environment

11

1

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(3)n = 3

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(2)n = 2

environment

12

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(3)n = 3

environment

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(2)n = 2

environment

12

2

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(3)n = 3

environment

23

static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

fact(3)n = 3

environment

23

% java Factorial6

public class Factorial { public static int fact(int n) { if (n == 0) return 1; else return n * fact(n-1); }

public static void main(String[] args) { System.out.println(fact(3)); }}

6

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