我需要一个wordcount的程序

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我需要弄清楚如何制作一个程序来计算用户输入的句子中的单词。用户还输入每个单词必须的长度。因此，如果用户输入5个字母的单词，则该句子包含4个字母的单词;这个词不计算在内。

I need to figure out how to make a program that counts the words in a sentence that the user inputs. The user also inputs the length that each word must be. So, if the user inputs 5 letter words, and the sentence includes a 4 letter word; that word won't be counted.

这就是我所拥有的......

This is all I have...

public class wordcount { public static void main(String[] args) { int length = IO.readInt(); String sentence = IO.readString(); int full = sentence.length(); int wordcount = 0; for(int i = 0; i < length; i++){ } System.out.print(wordcount); } }

推荐答案

return sentence.split("\\s+").length;