- package com.instanceofjava;
- public class Pyramidshape {
- public static void main(String[] args) {
- int num=10;
- for (int i = 1; i < num; i++) {
- for (int j = 1; j<=num-i;j++) {
- System.out.print(" ");
- }
- for (int k = 1; k <= i; k++) {
- System.out.print(""+k+" ");
- }
- for (int l =i-1; l >0; l--) {
- System.out.print(""+l+" ");
- }
- System.out.println();
- }
- }
Output:
- 1
- 1 2 1
- 1 2 3 2 1
- 1 2 3 4 3 2 1
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