1, 2, 3, 3, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9Copy the code

1. Code like this: pyramid.java:

package com.yuhl.right;

/ * * *@author yuhl
 * @Date 2020/10/24 23:15
 * @Classname Pyramid
 * @DescriptionPyramid print * */
public class Pyramid {

    public static void main(String[] args) {
        pyramid(9);/ / line 9
    }

    public static void pyramid(int n){/ / the pyramids
        int i,j,k,m;
        m=n;
        for (i=1; i<=m; i++){for(j=m-i; j>0; j--) System.out.print("");
            for(k=1; k<=i; k++) { System.out.print(i+""); } System.out.println(); }}/** ** increment pyramid * 1 * 23 * 4 5 6 * 7 8 9 10 * 11 12 13 14 15 * 16 17 18 19 20 21 * 22 23 24 25 26 27 28 * 29 30 31 32 33 34 35 36 * 37 38 39 40 41 42 43 44 45 */
    public static void pyramidIcrehh(int n) {/ / the pyramids
        int step  = 1;
        int i, j, k, m;
        m = n;
        for (i = 1; i <= m; i++) {
            for (j = m - i; j > 0; j--)
                System.out.print("");
            for (k = 1; k <= i; k++) {
                System.out.print(step++  + ""); } System.out.println(); }}/** ** snake-like changes * 1 * 32 * 4 5 6 * 10 9 8 7 * 11 12 13 14 15 * 21 20 19 18 17 16 * 22 23 24 25 26 27 28 * 36 35 34 33 32 31 30 29 * 37 38 39 40 41 42 43 44 45 * * Process finished with exit code 0 */
    public static void pyramidSSSS(int n) {/ / the pyramids
        int step  = 1;//
        int line = 0;
        int i, j, k, m;
        m = n;
        for (i = 1; i <= m; i++) {
            for (j = m - i; j > 0; j--)
                System.out.print("");

            int temp = 0;
            temp = line + step;
            for (k = 1; k <= i; k++) {
                if (line % 2= =1) {

                    System.out.print(temp-- + "");
                    step++ ;
                } else {
                    System.out.print(step++ + ""); } } line ++; System.out.println(); }}}Copy the code

2. Execution Results:

"C: \ Program Files \ Java \ jdk1.8.0 _201 \ bin \ Java exe" 
        1 
       2 2 
      3 3 3 
     4 4 4 4 
    5 5 5 5 5 
   6 6 6 6 6 6 
  7 7 7 7 7 7 7 
 8 8 8 8 8 8 8 8 
9 9 9 9 9 9 9 9 9 
Copy the code