循环输出等腰三角形

 1 package learning;
 2 
 3 import java.util.Scanner;
 4 
 5 public class t2{
 6     public static void main(String[] args){
 7     Scanner s=new Scanner(System.in);
 8     int n=s.nextInt();
 9         for(int i=1;i<=n;i++){
10             for(int j=n-i;j>0;j--){
11                 System.out.print(" ");
12             }
13             for(int k=1;k<=2*i-1;k++){
14                 System.out.print("*");
15             }
16             System.out.println();
17 
18         }
19     }
20 }