1 package com.llh.demo; 2  3 /** 4  * 杨辉三角 5  *  6  * @author llh 7  * 8  */ 9 public class Test {10     /*11      * 杨辉三角12      */13     public static void main(String[] args) {14         int[] a = new int[11];15         int num = 1;16         //17         for (int i = 1; i <= 10; i++) {18             for (int j = 1; j <= i; j++) {19                 int c = a[j];20                 a[j] = num + c;21                 num = c;22                 System.out.print(a[j] + " ");23             }24             System.out.println();25         }26     }27 28 }