我的目标是使用BufferedReader阅读文本。我尝试过这样的事情:
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Set;
import java.util.TreeSet;
import java.io.*;
public class Main {
public static void main(String[] args)throws IOException {
String line;
String[] word = new String[1000];
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String[] words = new String[1000];
while ((line = br.readLine()) != null) {
word = line.split("\\s+");
}
Set<String> s = new TreeSet<String>();
for (int i = 0 ; i < words.length ; ++i) {
s.add(words[i]);
}
for (String value : s)
System.out.println(value);
}
}
例如:输入:
输出:
您在代码中读取行后没有更新单词。
尝试一下:
String line;
String[] word = new String[1000];
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
Set<String> s = new TreeSet<String>();
while ((line = br.readLine()) != null) {
word = line.split("\\s+");
for (int i = 0 ; i < word.length ; ++i) {
s.add(word[i]);
}
}
for (String value : s)
System.out.println(value);