java如何获取字符串中的第n个单词
我正试图找出如何在Java中获得字符串中的第n个单词。我被困在如何创建代码来实现这一点上。需要很多帮助,谢谢
public static void main(String[] args) {
boolean allCorrect = true;
allCorrect &= testNthWord("I love to walk to the park", 3, "to");
allCorrect &= testNthWord("The theater is in the theater district.", 5,
"the");
allCorrect &= testNthWord("I am so happy I am getting this right!", 6,
"am");
allCorrect &= testNthWord("The quick brown fox jumped over the fence",
15, "");
allCorrect &= testNthWord(
"1 is a lonely number but it also always returns 0 when used before the % operator.",
1, "1");
result(allCorrect, "getNthWord");
}
public static String getNthWord(String fullString, int nth) {
String getIndex;
for (int i = 0; i < nth - 1; i++) {
int index = fullString.getIndex(" ");
if (index == -1)
return " ";
fullString = fullString.substring(index + 1);
}
int index1 = fullString.getIndex(" ");
if (index1 = -1)
return fullString;
else
fullString.getIndex(0, index1);
return "";
}
# 1 楼答案
使用。分割法你可以很容易地做到这一点。例如:
现在,您可以访问句子中的第n个单词作为数组中的第n个位置
该方法的完整文档可参见here
这将是更新的代码