JAVA来定义一个函数,判断一个字符是否是大写字母,如果是,返回true...答:package test20210104;public class TestCapital { public static boolean isCapital(char c){ char[] arr = {'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'};boolean flag = false;...