Java程序设计期末考试题

int Level = 7;

int[][] iaYong = new int[Level][]; System.out.println(\杨辉三角形\ for (i = 0; i < iaYong.length; i++) {

iaYong[i] = new int[i + 1]; //定义二维数组的第i行有i+1列 }

iaYong[0][0] = 1;

for (i = 0; i < iaYong.length; i++) { iaYong[i][0] = 1;

for (j = 1; j < iaYong[i].length - 1; j++)

iaYong[i][j] = iaYong[i - 1][j - 1] + iaYong[i - 1][j];

iaYong[i][iaYong[i].length - 1] = 1; }

for (int[] row : iaYong) { for (int col : row)

System.out.print(col + \ System.out.println(); } } }