public static int howMany(String FileName)
{
BufferedReader br = null;
try
{
FileInputStream fis = new FileInputStream(FileName);
DataInputStream dis = new DataInputStream(fis);
br = new BufferedReader(new InputStreamReader(dis));
}
catch (FileNotFoundException e)
{
System.out.print("FILE DOESN'T EXIST");
}
finally
{
fis.close();
dis.close();
br.close();
}
String input;
int count = 0;
try
{
while ((input = br.readLine()) != null)
{
count++;
}
}
catch (IOException e)
{
System.out.print("I/O STREAM EXCEPTION");
}
return count;
}
由于某种原因,我无法关闭任何I/O对象。即使我导入了所有的I/O库(import java.io. *;)并启动了所有对象,fis.close(),dis.close(),br.close()也都找不到符号。尝试关闭I/O对象时出现“找不到符号”
hurr我得到错误:未报告的异常IOException;必须被捕获或声明现在抛出3次 – 2013-03-07 21:27:52