遍历

/**
 * @(#)math.java
 *
 * math application
 *
 * @author brightsun
 * @version 1.00 2008/7/28
 */
 
 import java.util.*;
 
public class math {
    
    private static int[] A;
    private static int M, N;
    
    public static void main(String[] args) {
    	
    	M = 5;
    	N = 10;
    	A = new int[N];
    	test(0);
    	A[N-1] = M - 1;
   // 	Print(A);
    }
    
    public static void test(int n)
    {
    	if (n == N-1)
    	{
    		Print(A);
    		return;
    	}
    	
    	for (int i = A[n]; i < M; i++)
    	{
    		A[n] = i;
    		test(n + 1);
    	}
    }
    
    public static void Print(int[] a)
    {
//    	for (int i = 0; i < a.length; i++)
//    		System.out.print(a[i] + "/t");
//    	System.out.println();
    	
    	for (int i = 0; i < M; i++)
    	{
    		for (int j = 0; j < N-1; j++)
    		{
    			if (i == a[j])
    				System.out.print("*/t");
    			else
    				System.out.print("0/t");
    		}
    		
    		System.out.println();
    	}
    	System.out.println();
    }   
    
}