public class Yanghui {
public static void main(String[] args) {
int a[][] = new int[8][8];
for (int i = 0;i < 6 ; i++ ){
a[i]=new int[i+1];
for (int j = 0;j < i+1 ;j++ ){
if (i<=1||j==0){
a[i][j]=1;
System.out.print(a[i][j]);
}
else if(i>1&&j>=1){
a[i][j] = a[i-1][j-1] + a[i-1][j];
System.out.print(a[i][j]);
}
}
System.out.println();
}
}
}
public static void main(String[] args) {
int a[][] = new int[8][8];
for (int i = 0;i < 6 ; i++ ){
a[i]=new int[i+1];
for (int j = 0;j < i+1 ;j++ ){
if (i<=1||j==0){
a[i][j]=1;
System.out.print(a[i][j]);
}
else if(i>1&&j>=1){
a[i][j] = a[i-1][j-1] + a[i-1][j];
System.out.print(a[i][j]);
}
}
System.out.println();
}
}
}
public class Hello {
public static void main(String[] args) throws Exception {
final int len = 8;
int a[][] = new int[len][len]; for (int i = 0; i < len; ++i) {
a[i][0] = a[i][i] = 1;
} for (int i = 2; i < len; ++i) {
for (int j = 1; j < i; ++j) {
a[i][j] = a[i - 1][j - 1] + a[i - 1][j];
}
} for (int i = 0; i < len; ++i) {
for (int j = 0; j <= i; ++j) {
System.out.print(a[i][j] + " ");
}
System.out.println();
}
}
}
2楼的说的很不错。
int[] yh = { 1, 0, 0, 0, 0, 0, 0, 0, 0 };
int[] yh1 = new int[9];// 新建一行的杨辉数组
yh1[0] = 1;// 第一行永远是1
System.out.println(1);
for (int i = 1; i < yh.length; i++) {
for (int j = 1; j <= i; j++) {
yh1[j] = yh[j] + yh[j - 1];// 让新行的数据=旧行的同行+前一列的数据
}
for (int j = 0; j <= i; j++) {
System.out.printf("%-4d", yh1[j]);// 打印数据
}
for (int j = 0; j < yh1.length; j++) {
yh[j] = yh1[j];// 复制新行数据到旧行(旧行是新行的计算条件)
}
System.out.println();
}