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();
         }
     }

 }