import java.io.*;
import java.util.jar.*;
import java.util.zip.*;

/**
 * @version 1.0 2002-04-29
 * @author Takashi KOBAYASHI
 */
public class ex2 {
	static String filename = "jis.jar";
	static String readentryext = ".jar";

	public static void main( String[] args ) {
		try {
		JarInputStream jis = new JarInputStream( new BufferedInputStream( new FileInputStream( filename ) ) );

		JarEntry je;
		while( ( je = jis.getNextJarEntry() ) != null ) {
			System.out.println( je.getName() );

			if( je.getName().endsWith( readentryext ) ) {
				JarInputStream jis2 = new JarInputStream( jis );

				JarEntry je2;

				while( jis.available() > 0 && ( je2 = jis2.getNextJarEntry() ) != null ) {
					System.out.println( je.getName() + "# " + je2.getName() );
				}
			}
		}
		}
		catch( IOException ioe ) {
			ioe.printStackTrace();
		}
	}
}