可以考虑下面两种程序:【1】public class Letter { public static void main(String[] args) { for (char c = 'a'; c <= 'z'; ++c) { System.out.print(c + " "); } }}【2】class ABC_Print{public static void main(String args[]){char z='a';for(int i=0;i<26;i++){z=(char)97+0;System.out.printf(z);}