How to prevent arrayindex out of bounds exception while unziping the files

Question

hi all ,
i am new to java.Can any body help me to solve my problem.here is my problem.
here i am trying to unzip a ziped file. but i am getting arrayindex out of bounds exception at line no 12 (args[0]), my quesion is to how to prevent arrayindex out of bounds exception ? please give me clear explanation.
public class UnZip2 {
static final int BUFFER = 2048;
public static void main (String args[]) {
try {
BufferedOutputStream dest = null;
BufferedInputStream is = null;
ZipEntry entry;
ZipFile zipfile = new ZipFile(args[0]);
Enumeration e = zipfile.entries();
while(e.hasMoreElements()) {
entry = (ZipEntry) e.nextElement();
System.out.println("Extracting: " +entry);
is = new BufferedInputStream
(zipfile.getInputStream(entry));
int count;
byte data[] = new byte[BUFFER];
FileOutputStream fos = new
FileOutputStream(entry.getName());
dest = new
BufferedOutputStream(fos, BUFFER);
while ((count = is.read(data, 0, BUFFER))
!= -1) {
dest.write(data, 0, count);
dest.flush();
dest.close();
is.close();
} catch(Exception e) {
e.printStackTrace();
}

Answer 1

how you run it?
java Unzip2?
args[0] refer to first parameter in run command, so u should run it by giving a parameter. eg:
java Unzip2 someFile.zip