How to make Traingle English Aphabet in java

Please see this sample code:


public class TraingleLetter {
    public static void main(String[] args) {
        char last='Z';
        String space ="";
        for(char i='A';i<='Z';i++){
            System.out.print(space);
            for(char j=i;j<=last;j++){
                    System.out.print(j);
            }
            last =(char)((int)last - 1);
            space = space +" ";
            System.out.println();
       
        }
    }
}

Result :

ABCDEFGHIJKLMNOPQRSTUVWXYZ
   BCDEFGHIJKLMNOPQRSTUVWXY
      CDEFGHIJKLMNOPQRSTUVWX
         DEFGHIJKLMNOPQRSTUVW
            EFGHIJKLMNOPQRSTUV
              FGHIJKLMNOPQRSTU
                GHIJKLMNOPQRST
                   HIJKLMNOPQRS
                      IJKLMNOPQR
                       JKLMNOPQ
                         KLMNOP
                            LMNO
                              MN