Java 中的自动增量"字母表 - 这可能吗?从 A 到 Z 没有第三方库?
"Auto increment" alphabet in Java - is this possible? From A to Z without a third-party library?
推荐答案是的，你可以这样做:
for (char alphabet = 'A'; alphabet <= 'Z'; alphabet++) { System.out.println(alphabet); }也可以通过类型转换:
for (int i = 65; i <= 90; i++) { System.out.println((char)i); }