package com.zl.reader_;
import java.io.*;
import java.lang.*;
public class BufferedReader_ {
public static void main(String[] args) throws Exception {
String filePath = "f:\\FileCopy.java";
BufferedReader br = new BufferedReader(new FileReader(filePath));
String line;
while((line =br.readLine())!= null);{
System.out.println(line);
}
br.close();
}
程序哪里有错呢（为何System.out.println(line) 提示Value 'line' is always 'null'，为什么，卡在这里快1个小时了
System.out.println(line);}