filedirectory.java

java2 primer plus一书源程序

import java.io.File;

public class FileDirectory {
   public static void main( String[] args ) {
      try {
         File f = new File( File.separator );
         if( f.isDirectory() ) {
            File[] files = f.listFiles();
            for( int i=0; i<files.length; i++ ) {
               if( files[ i ].isDirectory() ) {
                  System.out.println( "<dir> " + files[ i ].getName() );
               }
               else {
                  System.out.println( files[ i ].getName() );
               }
            }
         }
      }
      catch( Exception e ) {
         e.printStackTrace();
      }
   }
}