a到i有多少个字母

Question

请教各位大神，用java计算a到i之间有多少个字母，用代码怎么表达出来？

Answer 1

public static void main(String[] args) {    //java中的字符按Unicode编码方式编码，在参与运算的时候是按Unicode编码执行的，你可以去看一下编码表。      System.out.println("a-i的字符个数:"+('i'-'a'+1)); }

Answer 2

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Answer 3

如下：public class Test{ public static void main(String[] args) { char ch = 'a'; int count = 0; while (ch<='i') { ch++; count++; } System.out.println(count); } }