java语言编写杨辉三角

package com.llh.demo;

/**
 * 杨辉三角
 * 
 * @author llh
 *
 */
public class Test {
    /*
     * 杨辉三角
     */
    public static void main(String[] args) {
        int[] a = new int[11];
        int num = 1;
        //
        for (int i = 1; i <= 10; i++) {
            for (int j = 1; j <= i; j++) {
                int c = a[j];
                a[j] = num + c;
                num = c;
                System.out.print(a[j] + " ");
            }
            System.out.println();
        }
    }

}