数组 写26个大写字母 (char)65 对应A
将97转为 a
XX=(char)97;
A对应的是65
import java.util.Scanner; public class For02{ public static void main(String[] args){ //Scanner myScanner = new Scanner(System.in); System.out.println("循环打印A到Z"); //int num = myScanner.nextInt(); char []arr = new char[26]; for(int i=0;i<arr.length;i++){ arr[i]=(char)(65+i); System.out.println(arr[i]); } } //结束主方法 }