what are the root classes of all classes?
Answers were Sorted based on User's Feedback
Answer / aravam siva
Object class is a base class of all java classes
in frame work(api) level clsses are root classes of all
clasees
| Is This Answer Correct ? | 12 Yes | 1 No |
What are the advantages of swing over awt?
What is swing and awt in java?
What is difference between applet and swing?
What is swing components in java?
Is java swing a framework?
What are the features of swing in java?
How can you draw using Swing components?
Explain the differences between an applet and a Japplet?
2 Answers College School Exams Tests, Satyam,
Name the borders provided by Swing?
Which layout does swing use by default?
I want to use the markerfor playing a video using the jmf.Suppose my video length is of 2 hours.I want it to play ex-15 mintue or 20 mintue and should stop after assigning the time.I am providing my piece of code............please help me.... package com.jha.cdac.lila.praveen; import java.awt.BorderLayout; import java.awt.Component; import java.awt.Container; import java.awt.Dimension; import java.awt.Toolkit; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.io.File; import java.net.URL; import javax.media.ControllerAdapter; import javax.media.Manager; /** * * @author vinays */ import javax.media.Player; import javax.media.RealizeCompleteEvent; import javax.media.Time; import javax.swing.JFrame; public class PlayVideo extends javax.swing.JFrame{ Player player; Component center; Component south; // this code is required for playing the video file of mpeg,mp4,mp3,3gp,rm,flv, //wmf,mpv,vob,qt and the asf extension public PlayVideo() { File file = new File("Lesson1.mpg"); try { load(file); // load() } catch (Exception ex) { //Logger.getLogger(LessonNarrative.class.getName ()).log(Level.SEVERE, null, ex); System.out.println("Error while loading file............"+ex); } } //the piece of code given below is used to load the file which user want to play. public void load(final File file) //load the file throws Exception { URL url = file.toURL(); final Container contentPane = getContentPane(); if (player != null) { player.stop(); } // MediaLocator mediaLocator=new MediaLocator (file.toURL()); // DataSource dataSource=Manager.createDataSource (mediaLocator); // player=Manager.createPlayer(url); player = Manager.createRealizedPlayer(url); ControllerAdapter listener = new ControllerAdapter() { @Override public void realizeComplete( RealizeCompleteEvent event) { Component vc = player.getVisualComponent(); player.getVisualComponent(); if (vc != null) { contentPane.add(vc, BorderLayout.CENTER); center = vc; } else { if (center != null) { contentPane.remove(center); contentPane.validate(); } } Component cpc = player.getControlPanelComponent(); if (cpc != null) { contentPane.add(cpc, BorderLayout.SOUTH); south=cpc; } else { if (south != null) { contentPane.remove(south); contentPane.validate(); } } pack(); // //setTitle(file.getName()); //to get the title of Video or Audio File } }; Time tm=new Time(30.4402403); Time tm1=new Time(5.7256199); player.addControllerListener(listener); player.setMediaTime(tm1); player.setStopTime(tm); // player.setMediaTime(new Time(5.0)); //player.setStopTime(new Time(73)); player.realize(); player.start(); } public static void main(String args[]) throws ClassNotFoundException { PlayVideo pv = new PlayVideo(); JFrame f = new JFrame("Lesson1"); f.addWindowListener(new WindowAdapter() { @Override public void windowClosing(WindowEvent e) { System.exit(0); } }); f.getContentPane().add("Center", pv); f.pack(); Dimension screenSize = Toolkit.getDefaultToolkit ().getScreenSize(); int w = 420; int h = 140; pv.setLocation(screenSize.width/2 - w/2, screenSize.height/2 - h/2); pv.setSize(w, h); pv.setVisible(true); }
How to link two forms in java swing?