Create Zip File From Multiple Files using ZipOutputStream Example

/*
	Create Zip File From Multiple Files using ZipOutputStream Example
	This Java example shows how create zip file containing multiple files
	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 CreateZipMultipleFiles {
 
	public static void main(String args[])
	{		 
		try
		{
			String zipFile = "C:/FileIO/zipdemo.zip";
			String[] sourceFiles = {"C:/sourcefile1.doc", "C:/sourcefile2.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);
 
			 for(int i=0; i < sourceFiles.length; i++)
			 {
 
			 	System.out.println("Adding " + sourceFiles[i]);
				//create object of FileInputStream for source file
				FileInputStream fin = new FileInputStream(sourceFiles[i]);
 
				/*
				 * 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(sourceFiles[i]));
 
				/*
				 * 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
Adding C:/sourcefile1.doc
Adding C:/sourcefile2.doc
Zip file has been created!
*/