尝试
String s = "BC+D*E-="; for (int i = 0; i < s.length(); i++) { char charAt2 = s.charAt(i); if (Character.isLetter(charAt2)) { System.out.println(charAt2 + "is a alphabet"); } }
尝试
String s = "BC+D*E-="; for (int i = 0; i < s.length(); i++) { char charAt2 = s.charAt(i); if (Character.isLetter(charAt2)) { System.out.println(charAt2 + "is a alphabet"); } }名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
