error in opening zip file
高手帮忙看看这个是什么问题?谢谢!import *;
public class AA
{
public static void main (String args[]) //throws IOException
{
String s[] = {"aaa\n","bbb\n","ccc\n"};
try
{
RandomAccessFile rf = new RandomAccessFile ("AA.txt","rw");
System.out.println (rf.getFilePointer ());
System.out.println (rf.length());
rf.seek (rf.length);
for (int i=0; i < 3; ++i)
{
rf.writeBytes (s[i]);
}
rf.seek (0);
String st;
while ((st=rf.readLine()) != nul)
{
System.out.println (st);
}
rf.close ();
}
catch (FileNotFoundException e)
{
}
catch (IOException g)
{
}
}
}
---------- ￎ ----------
error: error reading c:\jdk1.5.0\lib\ir.idl; java.util.zip.ZipException: error in opening zip file
AA.java:12: cannot find symbol
symbol : variable length
location: class
rf.seek (rf.length);
^
AA.java:19: cannot find symbol
symbol : variable nul
location: class AA
while ((st=rf.readLine()) != nul)
^
3 errors
输出完成 (耗时: 0 秒)
