[Java] 다중 for문을 응용하여 A~Z 출력하기

문) 다중 for문을 적용하여 다음과 같은 출력결과가 나타나도록 하시오.

ABCDEFGHIJKLMNOPQRSTUVWXYZ
ABCDEFGHIJKLMNOPQRSTUVWXY
ABCDEFGHIJKLMNOPQRSTUVWX
ABCDEFGHIJKLMNOPQRSTUVW
ABCDEFGHIJKLMNOPQRSTUV
ABCDEFGHIJKLMNOPQRSTU
ABCDEFGHIJKLMNOPQRST
ABCDEFGHIJKLMNOPQRS
ABCDEFGHIJKLMNOPQR
ABCDEFGHIJKLMNOPQ
ABCDEFGHIJKLMNOP
ABCDEFGHIJKLMNO
ABCDEFGHIJKLMN
ABCDEFGHIJKLM
ABCDEFGHIJKL
ABCDEFGHIJK
ABCDEFGHIJ
ABCDEFGHI
ABCDEFGH
ABCDEFG
ABCDEF
ABCDE
ABCD
ABC
AB
A

 

public class Exam02_04 {
	public static void main(String[] args) {
		for(char end='Z'; end>='A'; end--) {
			for(char start='A'; start<=end; start++) {
				System.out.print(start);
			}
			System.out.println();
		}
		System.out.println();
	}
}