package ex30;import java.awt.*;import java.awt.event.*;import java.io.*;import java.net.*;import javax.swing.*;public class ViewRemoteFile extends JApplet{	// Button to view the file	private JButton jbtView = new JButton("View");		// Text field to receive file name	private JTextField jtfURL = new JTextField(12);		// Text area to store file	private JTextArea jtaFile = new JTextArea();		// Label to display status	private JLabel jlblStatus = new JLabel();		/** Initialize the applet */	public void init(){		// Create a panel to hold a label, a text field, and a button		JPanel p1 = new JPanel();		p1.setLayout(new BorderLayout());		p1.add(new JLabel("Filename"), BorderLayout.WEST);		p1.add(jtfURL, BorderLayout.CENTER);		p1.add(jbtView, BorderLayout.EAST);				// Place text area and panel p to the applet		setLayout(new BorderLayout());		add(new JScrollPane(jtaFile), BorderLayout.CENTER);		add(p1, BorderLayout.NORTH);		add(jlblStatus, BorderLayout.SOUTH);				// Register listener to handle the "View" button		jbtView.addActionListener(new ActionListener(){			public void actionPerformed(ActionEvent e){				showFile();			}		});	}		private void showFile(){		java.util.Scanner input = null;  // Use Scanner for text input		URL url = null;				try{			// Obtain URL from the text field			url = new URL(jtfURL.getText().trim());						// Create a Scanner for input stream			input = new java.util.Scanner(url.openStream());						// Read a line and append the line to the text area			while(input.hasNext()){				jtaFile.append(input.nextLine() + "\n");			}						jlblStatus.setText("File loaded successfully");		}		catch(MalformedURLException ex){			jlblStatus.setText("URL " + url + " not found");		}		catch(IOException e){			jlblStatus.setText(e.getMessage());		}		finally{			if(input != null)  input.close();		}	}	}