[Solved] How to Delete files from the directory by specifying it in the output application

it has to search the directory which conrtains subfolders also it has to search along the sub folders

Your method to search a directory needs to be recursive.

Here is an example of a recursive method that lists the files in all the sub directories:

import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.util.*;
import javax.swing.*;
import javax.swing.table.*;

public class TableFile extends JFrame
    implements ActionListener, Runnable
{
    JTable table;
    DefaultTableModel model;
    JTextField path;
    JLabel currentFile;
    JButton getFiles;
    int totalFiles;
    int totalDirectories;

    public TableFile()
    {
        path = new JTextField("C:\\java");
        add(path, BorderLayout.PAGE_START );

        getFiles = new JButton( "Get Files" );
        getFiles.addActionListener( this );
        add(getFiles, BorderLayout.LINE_START );

        String[] columnNames = {"IsFile", "Name"};

        model = new DefaultTableModel(columnNames, 0);
        table = new JTable( model );

        JScrollPane scrollPane = new JScrollPane( table );
        add(scrollPane, BorderLayout.PAGE_END);

        currentFile = new JLabel(" ");
//      add(currentFile, BorderLayout.PAGE_END); // displays filename in label
    }

    public void actionPerformed(ActionEvent e)
    {
        model.setNumRows(0);

        new Thread( this ).start();

        table.requestFocusInWindow();
    }

    public void run()
    {
        totalFiles = 0;
        totalDirectories = 0;
        listFiles( new File( path.getText() ) );
        System.out.println("Directories: " + totalDirectories);
        System.out.println("Files      : " + totalFiles);
    }

    private void listFiles(File dir)
    {
        updateTable( dir );
        totalDirectories++;
        System.out.println("Processing directory: " + dir);

        //  add a delay to demonstrate processing one directory at a time

        try { Thread.sleep(500); }
        catch(Exception e) {}

        File[ ] entries = dir.listFiles( );
        int size = entries == null ? 0 : entries.length;

        for(int j = 0; j < size; j++)
        {
            if (entries[j].isDirectory( ))
            {
                listFiles( entries[j] );
            }
            else
            {
                updateTable( entries[j] );
                currentFile.setText( entries[j].toString() );
                totalFiles++;
            }
        }
    }

    private void updateTable(final File file)
    {
        SwingUtilities.invokeLater(new Runnable()
        {
            public void run()
            {
                Vector<Object> row = new Vector<Object>(2);
                row.addElement( new Boolean( file.isFile() ) );
                row.addElement( file.toString() );
                model.addRow( row );
                int rowCount = table.getRowCount() - 1;
                table.changeSelection(rowCount, rowCount, false, false);
            }
        });
    }

    public static void main(String[] args)
    {
        TableFile frame = new TableFile();
        frame.setDefaultCloseOperation( EXIT_ON_CLOSE );
        frame.pack();
        frame.setLocationRelativeTo( null );
        frame.setVisible(true);
    }
}