factorialrecursive.java

来自「java2 primer plus一书源程序」· Java 代码 · 共 12 行

public class FactorialRecursive {
  public static int factorial( int n ) {
    if( n == 1 ) return 1;
    return n * factorial( n-1 );
  }


  public static void main( String[] args ) {
    System.out.println( "5 factorial = " + factorial( 5 ) );
    
  }
}