Interview Questions - Large Number of Java Interview Questions

Here you will find Job Interview Questions for J2EE technologies. Before appearing in Job Interview its very important to prepare well. The easy way to prepare for interview is to make their own notes of the topic and then go through the questions asked in the Job Interviews. We have compiled many Interview questions usually asked in the Job Interviews.  

Huge collection of Interview questions, you can discuss interview topics questions and answers here. 

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1. The Core Java Interview Questions
   More interview questions on core Java.. Read these interview questions to improve your core Java knowledge. 
      

   • Core Java Interview Question Page 1
     How could Java classes direct program messages to the system console, but error messages, say to a file?
                       
   • Core Java Interview Question Page 2
     Does it matter in what order catch statements for FileNotFoundException and IOExceptipon are written?
                  
   • Core Java Interview Question Page 3
     When you declare a method as abstract method ?
                  
   • Core Java Interview Question Page 4
     What is the difference between checked and Unchecked Exceptions in Java ?
                  
   • Core Java Interview Question Page 5
     What are different types of inner classes ?
                 
   • Core Java Interview Question Page 6
     How can i tell what state a thread is in ? 
                   
   • Core Java Interview Question Page 7
     What is serialization ?
                       
   • Core Java Interview Question Page 8
     What are the static fields & static Methods ? 
                    
   • Core Java Interview Question Page 9
     What are the uses of Serialization? 
                   
   • Core Java Interview Question Page 10
     What is the difference between notify and notify All methods ? 
                  
   • Core Java Interview Question Page 11
     What is serialization ? 
               
   • Core Java Interview Question Page 12
     What is a transient variable?
                  
   • Core Java Interview Question Page 13
     What is an Iterator interface?
            
   • Core Java Interview Question Page 14
     What is clipping?
                        
   • Core Java Interview Question Page 15
     What invokes a thread's run() method?
                 
   • Core Java Interview Question Page 16
     Which containers may have a MenuBar?
                
   • Core Java Interview Question Page 17
     What is the difference between a Window and a Frame?
                   
   • Core Java Interview Question Page 18
     Is &&= a valid Java operator?
                     
   • Core Java Interview Question Page 19
     What is the difference between static and non-static variables?
                   
   • Core Java Interview Question Page 20
     Name four Container classes.
                     
   • Core Java Interview Question Page 21
     How are the elements of a GridLayout organized?
                 
   • Core Java Interview Question Page 22
     What is a compilation unit?
                  
   • Core Java Interview Question Page 23
     To what value is a variable of the boolean type automatically initialized?
                    
   • Core Java Interview Question Page 24
     Why do we need public static void main(String args[]) method in Java?
                       
   • Core Java Interview Question Page 25
     What are null or Marker interfaces in Java?
                 
   • Core Java Interview Question Page 26
     How many number of non-public class definitions can a source file have A source file can contain unlimited number of non-public class definitions List primitive data types, there size and there range (min, max).
                 
   • Core Java Interview Question Page 27
     What are access modifiers?
                   
   • Core Java Interview Question Page 28
     What are wrapped classes?
                       
   • Core Java Interview Question Page 29
     What is the difference between while and do while loop?
                 
   • Core Java Interview Question Page 30
     What's the difference between constructors and other methods?
                       
   • Core Java Interview Question Page 31
     Where does java thread support reside?
                
   • Core Java Interview Question Page 32
     What is the ultimate ancestor of all java classes?

          

2. The Jakarta Struts Interview Questions
     

3. Interview Questions - Struts Interview Question -2 
     

4. Struts Interview Questions -3
       

5. JSP Questions
   JSP - Java Server Pages Interview Questions
   Jsp Question Page -2
      
   J2EE Interview Questions

6. J2EE Interview Questions -1  
     

7. J2EE Interview Questions - 2  
                                        

8. J2EE Interview Questions - 3
   More Interview Questions

   • J2EE Questions page1
     What is J2EE?
                                    
   • J2EE Question page2
     What is "application client" ?
                                 
   • J2EE Question page3
     What is cascade delete ?
                                 
   • J2EE Question page4
     What is data ?
                                                  
   • J2EE Question page5
     What is EAR file ?
                                
   • J2EE Question page6
     What is Enterprise JavaBeans (EJB) ?
                                                                                  
   • J2EE Question Page7
     What is handle ?
                                          
   • J2EE Question page8
     What is initialization parameter ?
                                                 
   • J2EE Question page9
     What is J2EE server ?
                                        
   • J2EE Question page10
     What is Java Message Service (JMS) ?
                                      
   • J2EE Question page11
     What is JavaServer Faces navigation model ?       
                                                    
   • J2EE Question page12
     What is JMS client ?
                                
   • J2EE Question page13
     What is keystore ?
                                                       
   • J2EE Question page14
     What is North American Industry Classification System (NAICS) ?
                                
   • J2EE Question page15
     What is query string ?
                                
   • J2EE Question page16
     What is resource manager connection factory ?
                               
   • J2EE Question page17
     What is security technology domain ?
                                           
   • J2EE Question page18
     What is stateless session bean ?
                                        
   • J2EE Question page19
     What is well-formed ?
                                                                               
   • J2EE Question page20
     What is XML registry ?       
           
9. XML Interviews Question
   What is XML?
                                   

10. Java Interview Questions by Inigo Nirmal
    Interview Question Page -1
    Interview Question Page -2
    Interview Question Page -3
    Interview Question Page -4
    Interview Question Page -5
    Interview Question Page -6
    Interview Question Page -7
    Interview Question Page -8
    Interview Question Page -9
    Interview Question Page -10
    Interview Question Page -11
    Interview Question Page -12
      

11. Servlet Interview Questions
    Collection of large number of Servlet Interview Questions. These questions are frequently asked in the Java Interviews.
    Servlet Interview Questions Page -1
    Servlet Interview Question Page - 2
      

12. Session Tracking Interview Questions
    Interview Questions related to the session tracking in the Servlet based applications.    
      

13. Java FAQ
    In this Java Question series we have listed the Java Questions which are commonly asked. Our collection of frequently asked questions (FAQ) will provide you brief answers to many common questions about the Sun Programming Language.  
      

14. Core Java -2
    What is the use of Object and Class Classes?....

• JSF Interview Question
  JavaServer Faces (JSF) is an application framework containing a rich and robust set of APIs and JSP custom tag libraries to simplify creating user interfaces for web based Java applications. 
                              
• JSF Interview Question Page 1
  JavaServer Faces (JSF) is an application framework containing a rich and robust set of APIs and JSP custom tag libraries to simplify creating user interfaces for web based Java applications. 
            
• JSF Interview Question Page 2
  JavaServer Faces (JSF) is an application framework containing a rich and robust set of APIs and JSP custom tag libraries to simplify creating user interfaces for web based Java applications. 
       
• JSF Interview Question Page 3
  JavaServer Faces (JSF) is an application framework containing a rich and robust set of APIs and JSP custom tag libraries to simplify creating user interfaces for web based Java applications. 
      
• JSF Interview Question Page 4
  JavaServer Faces (JSF) is an application framework containing a rich and robust set of APIs and JSP custom tag libraries to simplify creating user interfaces for web based Java applications. 
      
• JSF Interview Question Page 5
  JavaServer Faces (JSF) is an application framework containing a rich and robust set of APIs and JSP custom tag libraries to simplify creating user interfaces for web based Java applications. 
     
• JSF Interview Question Page 6
  JavaServer Faces (JSF) is an application framework containing a rich and robust set of APIs and JSP custom tag libraries to simplify creating user interfaces for web based Java applications. 
      
• JSF Interview Question Page 7
  JavaServer Faces (JSF) is an application framework containing a rich and robust set of APIs and JSP custom tag libraries to simplify creating user interfaces for web based Java applications.
         
  
  Design Patterns Interview Questions  
                    

• Design patterns interview questions1
  A pattern is a proven (and recurring) solution to a problem in a context. Each pattern describes a problem which occurs over and over again in our environment, and describes its solution to this problem in such a way that we can use this solution a lots of times.  
                         

• Design patterns interview questions2
  Provides a solution for pre-processing and post-processing a request. It allows us to declaratively apply filters for intercepting requests and responses. For ex. Servlet filters.
             

• Design patterns interview questions3
  This pattern hides the complexity of business components and centralizes the workflow. It provides course-grained interfaces to the clients which reduces the remote method overhead. This pattern fits well with declarative transactions and security management.

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