【发布时间】:2017-02-26 15:47:58
【问题描述】:
public class RandomFuncs {
public static void main(String[] args) {
readingFile();
}
public static void readingFile() {
String file = "coins.txt";
try {
FileReader fileReader = new FileReader(file);
BufferedReader bufferedReader = new BufferedReader(fileReader);
String line = bufferedReader.readLine();
//System.out.println(line);
while (line != null){ System.out.println(line);}
}
catch (IOException ex){
System.out.println("Unable to read to file " + file + ".Due to " + ex);
}
}
}
变量行总是返回为空,我不知道为什么。文件中有文本行,但没有被读取。
【问题讨论】: