JAVA打印三角形

Posted 2021-01-26 hufeyao

 1 import java.util.*;
 2 public class Xin {
 3     public static void main(String[] args) {
 4         Scanner sc = new Scanner(System.in);
 5         int height = sc.nextInt();
 6         
 7         for(int i = 1;i < height+1;i++) {
 8             for(int j = 1;j <= height-i;j++) {
 9                 System.out.print(" ");
10             }
11             for(int j = 1;j <= 2*i-1;j++) {
12                 System.out.print("*");
13             }
14             System.out.println();
15         }
16     }
17 }