PR20

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package pkgApplet;
 
import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
import java.io.FileReader;
import java.io.IOException;
 
/**
 *
 * @author smit
 */
public class pr20 extends Applet implements ActionListener {
 
    TextField tf;
    TextArea ta;
    Button b;
 
    /**
     * Initialization method that will be called after the applet is loaded into
     * the browser.
     */
    public void init() {
        b = new Button("SHOW");
        tf = new TextField();
        ta = new TextArea(10, 30);
        setLayout(new GridLayout(3, 1));
        b.addActionListener(this);
 
        add(tf);
        add(b);
        add(ta);
        // TODO start asynchronous download of heavy resources
    }
 
    public void actionPerformed(ActionEvent e) {
        try {
            int i;
            FileReader fr = new FileReader("d:/" + tf.getText());
            ta.setText(null);
            while ((i = fr.read()) != -1) {
                ta.append("" + (char) i);
            }
            fr.close();
        } catch (IOException ae) {
            System.out.println(ae);
        }
    }
 
}