Java J2EE Interview Questions
Questions Answers Views Company eMail

if we want to perform some operation at receiving application when it receives some message, then what objects are required at the receiving application?

IBM,

476

What do you do with deadletter queue cases?

IBM,

434

how will you test your flows?

IBM,

486

how many objects are required for distribution queuing?

IBM,

479

what is the use of commit for connection to databases?

IBM,

508

how many types of clients in mq?

IBM,

553

difference between rad and ordinary deployment?

IBM,

570

what is the role of configuration manager?

IBM,

535

define correlation names?

IBM,

552

what is the content of the configuration manager repository?

IBM,

469

where do you place pass-thru node in message flow?

IBM,

459

how to configure mq?

IBM,

521

difference between mqconn and mqconnx?

IBM,

1 1754

define broker, bar, execution group, scada, and components of broker?

IBM,

582

difference between mca and mqi channels?

IBM,

681


Un-Answered Questions { Java J2EE }

What is += mean in java?

534


How many packages are available in jdbc api?

535


What is the static method?

559


What is string tokenizer?

622


Can we overload final method in java?

544






Why does java doesnt suuport unsigned values?

1788


What is get () in java?

556


Can we create object of inner class in java?

488


What is a class loader?

578


my interviewer asked me what technical specification you used how to answer that question

1925


Match the ejb functions given below with the functionality equivalent in sql? : BEA Weblogic

524


How does ejb work in java?

539


What are the ways to instantiate the class class?

591


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); }

3851


Can remove() be a Stateless Session bean?

571