Create Zip File using ZipOutputStream Example

/*
	Create Zip File using ZipOutputStream Example
	This Java example shows how create zip file containing one file
	using Java ZipOutputStream class.
*/
 
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.ZipEntry;
import java.util.zip.ZipException;
import java.util.zip.ZipOutputStream;
 
 
public class CreateZipFile {
 
	public static void main(String args[])
	{		 
		try
		{
			String zipFile = "C:/FileIO/zipdemo.zip";
			String sourceFile = "C:/FileIO/sourcefile.doc";
 
			//create byte buffer
			byte[] buffer = new byte[1024];
			/*
			 * To create a zip file, use
			 * 
			 * ZipOutputStream(OutputStream out)
			 * constructor of ZipOutputStream class.
			 *  
			 */
 
			 //create object of FileOutputStream
			 FileOutputStream fout = new FileOutputStream(zipFile);
 
			 //create object of ZipOutputStream from FileOutputStream
			 ZipOutputStream zout = new ZipOutputStream(fout);
 
			 //create object of FileInputStream for source file
			 FileInputStream fin = new FileInputStream(sourceFile);
 
			 /*
			  * To begin writing ZipEntry in the zip file, use
			  * 
			  * void putNextEntry(ZipEntry entry)
			  * method of ZipOutputStream class.
			  * 
			  * This method begins writing a new Zip entry to 
			  * the zip file and positions the stream to the start 
			  * of the entry data.
			  */
 
			 zout.putNextEntry(new ZipEntry(sourceFile));
 
			 /*
			  * After creating entry in the zip file, actually 
			  * write the file.
			  */
			 int length;
 
			 while((length = fin.read(buffer)) > 0)
			 {
			 	zout.write(buffer, 0, length);
			 }
 
			 /*
			  * After writing the file to ZipOutputStream, use
			  * 
			  * void closeEntry() method of ZipOutputStream class to 
			  * close the current entry and position the stream to 
			  * write the next entry.
			  */
 
			  zout.closeEntry();
 
			  //close the InputStream
			  fin.close();
 
			  //close the ZipOutputStream
			  zout.close();
 
			  System.out.println("Zip file has been created!");
 
		}
		catch(IOException ioe)
		{
			System.out.println("IOException :" + ioe);
		}
 
	}
}
 
/*
Output of this program would be
Zip file has been created!
*/