压缩多个文件为一个文件

package zip;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

public class ZipUtil {

/**
* @param fileNames
*   the file name and directory information
*/
public static synchronized boolean zipFile(String[] fileNames) {
FileInputStream fis;
File zipFile = new File("D:/zzz/a1.zip");
File file;
try {
ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(
zipFile));
for (int i = 0; i < fileNames.length; i++) {
int len;
file=new File(fileNames[i]);
fis = new FileInputStream(file);
zos.putNextEntry(new ZipEntry(fileNames[i]));
while ((len = fis.read()) != -1) {
zos.write(len);
}
fis.close();
file.delete();
}
zos.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
return false;
} catch (IOException e) {
e.printStackTrace();
return false;
}
return true;
}
   public static void main(String[] args) {
   String[] strArray=new String[5];
   for(int  i=0;i<strArray.length;i++){
   strArray[i]="D:/zzz/b"+(i+1)+".txt";
   System.out.println(strArray[i]);
   }
           zipFile(strArray);
}

}