java - 错误“找不到符号方法 charAt(int)”？

Question

System.out.println("Enter a sentence to get it translated into Pig Latin: ");

String sentence=kb.nextLine();

String[] words = sentence.split(" ");

char a=words.charAt(0);

Answer 1

发生的是这words是一个数组，并且charAt()为Strings 定义了方法。所以你想使用：

words[index].charAt(0)

相反， a在数组中index的位置在哪里。String

Answer 2

words 是一个字符串数组。尝试使用单词[索引]。拆分后，子字符串将存储如下 -

Enter = words[0]
a = words[1]
sentence = words[2]
to = words[3]
get = words[4]
it = words[5]
translated = words[6]
into = words[7]
Pig = words[8]
Latin: = words[9]

访问 words[index].chartAt(0) 将返回相应子字符串的第一个字符。