我在CSDN上收到这样的代码:import java.io.*;
public class countlines
{
public static void main(String args[])throws IOException
{
BufferedReader br = new BufferedReader(new FileReader("c:/java_test/Test.java"));
int count=0;
while(br.readLine()!=null)
{
count=count+1;
}
System.out.println(Total lines of your selected file is :"+count);
}
}
总是报告有100个非法字符,我就是找不出什么地方有,请各位高手看看,,谢谢了
public class countlines
{
public static void main(String args[])throws IOException
{
BufferedReader br = new BufferedReader(new FileReader("c:/java_test/Test.java"));
int count=0;
while(br.readLine()!=null)
{
count=count+1;
}
System.out.println(Total lines of your selected file is :"+count);
}
}
总是报告有100个非法字符,我就是找不出什么地方有,请各位高手看看,,谢谢了
少个引号
import java.io.*;
class countlines
{
public static void main(String args[])
{
try{
FileReader fr=new FileReader(args[0]);
BufferedReader br=new BufferedReader(fr);
String s;
int count=0;
while((s=br.readLine())!=null)
{
count=count+1;
System.out.println(s);
}
fr.close();
}
catch(Exception e){
System.out.println("Exception:"+e);
}
System.out.println("Total lines of you selected file :"+count);
}
}
报错如下:
countlines.java:21: 找不到符号
符号: 变量 count
位置: 类 countlines
System.out.println("Total lines of you selected file :"+count);请问又是什么地方错了。。???
谢谢进来的人