[JobsAssist] Latest Java / J2EE Questions Asked in Actual Interviews

www.CoolInterview.com - World's Largest Free Interview Questions Website Get help For Java / J2EE By Downloading materials free at : http://www.bestebooksworld.com Best place to make you proficient at: http://www.academictutorials.com   Top 100 Java / J2EE Questions Asked in Actual Interviews Can I execute or call one applet from another applet? If so then how??? Please Reply me... Thanks http://www.coolinterview.com/interview/12448   what is method declaration,method attributes,method modifiers and parameters http://www.coolinterview.com/interview/12363   System Class is Used to Output text onto the Screen? it True or False http://www.coolinterview.com/interview/12261   what is the first statement in construtor? http://www.coolinterview.com/interview/11679   Why clonning method is private? can u overload the main() method. 2)can overload the run() method. 3)what is Common Separated value. http://www.coolinterview.com/interview/11222   what is the abstration?give example? http://www.coolinterview.com/interview/11678   I am facing problem with using the JScrollPane. Actually the knob is not working properly . It takes a lot of time to scroll nd refresh the image. Please HELP!!! http://www.coolinterview.com/interview/11300   WHAT IS ANONYMOUS CLASS,SINGLETON CLASS AND ASSERTIONS http://www.coolinterview.com/interview/11242   Why Java is case sensitive? http://www.coolinterview.com/interview/11126   what is skeleton in java or J2EE?????? http://www.coolinterview.com/interview/11042   Can you invoke the methods on a Thread once it is stopped? http://www.coolinterview.com/interview/10794   How to sort String, for example: abced. to change to abcde ? http://www.coolinterview.com/interview/10795   How can i call parameterized constructor if am instantiating a object using "Class.forName("Abc").newInstance()"? http://www.coolinterview.com/interview/10796   Why do we call java.util.* package as a framework. http://www.coolinterview.com/interview/10797   What is the differences between script language and programming language? http://www.coolinterview.com/interview/10798   If interface has got four methods,and I like to implement only two methods, how this could be achieved? http://www.coolinterview.com/interview/10773   what happens if we execute the program? class Return{ int display(){ try{ return 1; } finally{ return 2; } } public static void main(String args[]){ Return r=new Return(); r.display(); } } http://www.coolinterview.com/interview/10774   Can i expand an interface? http://www.coolinterview.com/interview/10775   What is the difference between array list and linked list. in which situations we are use them? which is best one? http://www.coolinterview.com/interview/10776   How to create the object to the anonomous class http://www.coolinterview.com/interview/10777   Why we can not override static method? http://www.coolinterview.com/interview/10778   What is Log4j in java http://www.coolinterview.com/interview/10779   What is the use of keyword transient http://www.coolinterview.com/interview/10780   can the main() method be overloaded? or overrided? and what happens when we do so? http://www.coolinterview.com/interview/10781   How System.out.println() works? http://www.coolinterview.com/interview/10782   How do you know that where to use abstract class or interface? http://www.coolinterview.com/interview/10783   Difference b/w synchronized Method and synchronized statement in case of whole body of method cover by synchronized statement. http://www.coolinterview.com/interview/10784   Is is true that JAVA is not 100% object oriented language ? http://www.coolinterview.com/interview/10785   send me some interview questions on Stringhandling concept http://www.coolinterview.com/interview/10786   What is difference between & and && in java http://www.coolinterview.com/interview/10787   What is garbage collection? can it be forced? http://www.coolinterview.com/interview/10788   Solve it... public class test { public static void main(String[] args) { int i=5; i=i++; System.out.println("result::"+i); } } http://www.coolinterview.com/interview/10789   What is the difference throw and throws http://www.coolinterview.com/interview/10790   As the Swings have more advantages over the AWT.. Why still in market are they using AWTs?? http://www.coolinterview.com/interview/10791   What is the disadvantage of threads? http://www.coolinterview.com/interview/10792   In what situations we can use innerclass and anonymous class http://www.coolinterview.com/interview/10793   Difference: Java Beans, Servlets http://www.coolinterview.com/interview/5651   Explain Java security model http://www.coolinterview.com/interview/5653   Difference – Java, C++ http://www.coolinterview.com/interview/5654   Meaning - Abstract classes, abstract methods http://www.coolinterview.com/interview/5655   Why ArrayList is faster than Vector? http://www.coolinterview.com/interview/5656   Whether private,protected method can be overloaded,overrided or not?Tell me reason? http://www.coolinterview.com/interview/5657   Whether a Class,Method can be garbage collected or not?How? http://www.coolinterview.com/interview/5658   Explain the importance of "static"keyword http://www.coolinterview.com/interview/5659   IBM Interview Questions in Bangalore http://www.coolinterview.com/interview/5660   Why java does not support Multiple Inheritance? http://www.coolinterview.com/interview/5662   How hashtable is synchronized?why hashmap is not synchronized?Can we make hashmap synchronized? http://www.coolinterview.com/interview/5663   What is the difference between an object and an instance? And give me a real time example to differentiate these two? http://www.coolinterview.com/interview/5664   What is the basic difference between Java and .Net http://www.coolinterview.com/interview/5665   Is java a fully object oriented programming or not? if not why? http://www.coolinterview.com/interview/5666   What do you meant by private constructor? why somebody declare only private constructor. http://www.coolinterview.com/interview/5667   Give example of : High severity & Low priority http://www.coolinterview.com/interview/5668   It is a saying that static methods in JAVA programs should be minimised. What is the reason for this? any problems arise or there is any performance measures to be looked into it. http://www.coolinterview.com/interview/5669   How do i upload a file from client side to server side using servlet and jsp this will happen when I click upload button on web-page? http://www.coolinterview.com/interview/5670   What is the Difference between Design Pattern and Architecture? Can any one answer for this plz.. http://www.coolinterview.com/interview/5671   When we are sending the serialized array object thro the network, what is being passed ? is the value or the reference ? http://www.coolinterview.com/interview/5672   Write program for single objects returns two instances? http://www.coolinterview.com/interview/5673   1)whether we can set the time implicitly for the garbage collection? http://www.coolinterview.com/interview/5674   1)what are the other ways to create an object otherthan creating as new object? http://www.coolinterview.com/interview/5675   what are the other ways to create an object otherthan creating as new object? http://www.coolinterview.com/interview/5676   Write a program that singleton objects returns two instances? http://www.coolinterview.com/interview/5677   Write a program that singleton objects returns two instances? http://www.coolinterview.com/interview/5678   Why multiple inheritance using classes is disadvantage in java http://www.coolinterview.com/interview/5679   How can we take various inputs from user as int,char,string,float etc ? http://www.coolinterview.com/interview/5680   How would you keep track of a session http://www.coolinterview.com/interview/5681   How does serialization work http://www.coolinterview.com/interview/5682   How are memory leaks possible in Java http://www.coolinterview.com/interview/5683   What would happen if you say this = null http://www.coolinterview.com/interview/5684   What are the differences between ArrayList and a Vector http://www.coolinterview.com/interview/5685   What is MVC architecture http://www.coolinterview.com/interview/5686   How an Hashtable can change the iterator? Can a HashMap change the iterator? http://www.coolinterview.com/interview/5687   How an Hashtable can change the iterator? Can a HashMap change the iterator? http://www.coolinterview.com/interview/5688   JVM is platform independent/dependent?why? 2) which one is faster in execution Array List or Array? why? http://www.coolinterview.com/interview/5689   What design patterns have you used http://www.coolinterview.com/interview/5690   What is heap in Java http://www.coolinterview.com/interview/5691   Is there a separate stack for each thread in Java http://www.coolinterview.com/interview/5692   Would you like to derive data from a base class http://www.coolinterview.com/interview/5693   What is data encapsulation? What does it buy you http://www.coolinterview.com/interview/5694   How can you do multiple inheritance in Java http://www.coolinterview.com/interview/5695   What are the differences between C++ and Java http://www.coolinterview.com/interview/5696   Differences between HashList and HashMap, Set and List http://www.coolinterview.com/interview/5697   Explain the keywords - native, transient, volatile, finally http://www.coolinterview.com/interview/5698   How does garbage collection work http://www.coolinterview.com/interview/5699   Explain Servlet and JSP life cycle http://www.coolinterview.com/interview/5700   Explain Servlet and JSP life cycle http://www.coolinterview.com/interview/5701   What are STRUTS http://www.coolinterview.com/interview/5702   What are the differences between EJB and Java beans http://www.coolinterview.com/interview/5703   How would you declare a SingleThreaded servlet http://www.coolinterview.com/interview/5704   Is it advisable to depend on finalize for all cleanups http://www.coolinterview.com/interview/5705   What are the differences between AWT and Swing http://www.coolinterview.com/interview/5706   What is phantom memory http://www.coolinterview.com/interview/5707   What do you like most with Ant http://www.coolinterview.com/interview/5708   How all can you instantiate final members http://www.coolinterview.com/interview/5709   Can a method be static and synchronized http://www.coolinterview.com/interview/5710   How would you pass a java integer by reference to another function http://www.coolinterview.com/interview/5711   How is serialization implemented in Java http://www.coolinterview.com/interview/5712   If there are 2 different versions of object streams on disk and only one object definition, how will the JVM reject the wrong one? Can you fool the JVM http://www.coolinterview.com/interview/5713   can we declare multiple main() methods in multiple classes.ie can we have each main method in its class in our program? http://www.coolinterview.com/interview/5714   In Java, how are objects / values passed around http://www.coolinterview.com/interview/5715   Will there be a performance penalty if you make a method synchronized? If so, can you make any design changes to improve the performance http://www.coolinterview.com/interview/5716

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