| author | Jaroslav Tulach <jtulach@netbeans.org> |
| Sat, 14 Feb 2009 17:30:06 +0100 | |
| changeset 321 | 06bf3a32eaa0 |
| permissions | -rw-r--r-- |
| jtulach@321 | 1 |
package org.apidesign.math.test; |
| jtulach@321 | 2 |
|
| jtulach@321 | 3 |
import org.apidesign.math.Arithmetica; |
| jtulach@321 | 4 |
|
| jtulach@321 | 5 |
/** Class showing inventive, non-expected use of |
| jtulach@321 | 6 |
* Arithmetica methods to do multiplication instead of |
| jtulach@321 | 7 |
* addition. |
| jtulach@321 | 8 |
*/ |
| jtulach@321 | 9 |
// BEGIN: design.composition.arith.factorial |
| jtulach@321 | 10 |
public final class Factorial extends Arithmetica {
|
| jtulach@321 | 11 |
public static int factorial(int n) {
|
| jtulach@321 | 12 |
return new Factorial().sumRange(1, n); |
| jtulach@321 | 13 |
} |
| jtulach@321 | 14 |
@Override |
| jtulach@321 | 15 |
public int sumTwo(int one, int second) {
|
| jtulach@321 | 16 |
return one * second; |
| jtulach@321 | 17 |
} |
| jtulach@321 | 18 |
} |
| jtulach@321 | 19 |
// END: design.composition.arith.factorial |
| jtulach@321 | 20 |