java实例2 压缩文件

import java.io.BufferedOutputStream;import java.io.BufferedReader;import java.io.FileOutputStream;import java.io.FileReader;import java.util.zip.CRC32;import java.util.zip.CheckedOutputStream;import java.util.zip.ZipEntry;import java.util.zip.ZipOutputStream;public class ZipCompress {  public static void mian(String[] args){  try{ FileOutputStream fileOut=new FileOutputStream("Example.zip");//建立输出文件流 //建立冗余验证流 CheckedOutputStream checkedOut=new CheckedOutputStream(fileOut, new CRC32()); ZipOutputStream zipOut=new ZipOutputStream(checkedOut);//建立zip流    new ZipOutputStream(    new BufferedOutputStream(checkedOut));    zipOut.setComment("This is a java zip test file");    String fileName="D:/ZipCompress .java/"+"ZipCompress.java";    //读取压缩文件   BufferedReader in=new BufferedReader(new FileReader(fileName));   zipOut.putNextEntry(new ZipEntry(fileName));//建立压缩实体   int ch;   //当压缩文件未结束的时候继续写  while((ch=in.read())!=-1){  zipOut.write(ch);      }  in.close();  zipOut.close();      }catch (Exception e) {System.out.println(e.toString());}    }}