java实验1-2：排列字母正三角形

import java.util.Scanner;
public class Triangle{
	public static void main(String[] args){
		System.out.println("请输入字母正三角形的层数：");
		Scanner input=new Scanner(System.in);
		int n=input.nextInt();
		char c=65;
		for(int i=0;in+i)
				{
					System.out.print("  ");
				}
				else 
				{
					System.out.print(c+" ");
				}
			}
			c=(char)(c+1);
			System.out.print("\n");
		}
	}
}