readfrominternet.java

北京大学出版社的

package examples.windows;
import javax.swing.*;
public class ReadFromInternet extends Thread {
   private JTextField status;
   public ReadFromInternet( JTextField tf ) {
      status = tf;
   }
   public void run() {
      SwingUtilities.invokeLater( new Runnable() {
            public void run() {
               status.setText( "Beginning the operation" );
            }
         }
      );

      // read the file from the Internet

      SwingUtilities.invokeLater( new Runnable() {
            public void run() {
               status.setText( "Operation complete" );
            }
         }
      );
   }
}