Java基础练习-字母图形

import java.util.Scanner;

public class Main{
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n  = sc.nextInt();
        int m = sc.nextInt();
        for(int i = 0; ifor(int j = 0; j< m;j++)
            {
                char a = (char) (Math.abs(i-j)+'A');
                System.out.print(a);
            }
            System.out.println();
        }
        System.out.println();
    }

}