Java Programming Interview Questions
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Can you load server object dynamically? If so what are 3 major steps involved in it?
Can you run product development on all operating systems?
Considering notepad/IE or any other thing as process, What will happen if you start notepad or IE 3 times ? Where three processes are started or three threads are started?
Difference : AWT and Swing?
Difference : Abstract class and Interface?
Difference : Grid and Gridbaglayout?
Difference : Process and Thread?
Difference : java and c++?
Difference : process and threads?
Does java support function overloading, pointers, structures, unions or linked lists?
Does java support multiple inheritance? if not, what is solution?
Explain 2-tier and 3-tier architecture?
Explain about version control?
Have you ever used HashTable and Directory?
How can two threads be made to communicate with each other?
How can we do validation of fields in project?
How can you know about drivers and database information ?
How do you download stubs from Remote place?
How does thread synchronization occur in monitor?
How java can be connected to database?
How will you add panel to frame?
I want to store more than objects in remote server? Which methodology will follow?
In container there are 5 components. I want to display all component names, how will you do that?
In htm form I have button which makes us to open another page in seconds. How will you do that?
In htm page form I have one button which makes us to open new page in seconds. How will you do that?
Is there any tag in htm to upload and download files?
Meaning of Servelet? What are parameters of service method?
Meaning of Session? Explain something about HTTP Session Class?
Meaning of Static query and Dynamic query?
Meaning of class loader? How many types are there? When will we use them?
Meaning of cookies? Explain main features?
Meaning of distributed application? Why are we using that in our application?
Meaning of flickering?
Meaning of function overloading and function overriding?
Suppose if we have variable ‘I’ in run method, if I can create one or more thread each thread will occupy separate copy or same variable will be shared?
Tell some latest versions in JAVA related areas?
What are JVM.JRE, J2EE, JNI?
What are Normalization Rules? Define Normalization?
What are abstract classes?
What are adapter classes?
What are advantages of java over C++?
What are benefits if Swing over AWT?
What are byte codes?
What are files generated after using IDL to java compiler?
What are session variable in servlets?
What are statements in Java?
What are streams?
What are swing components?
What are traverses in binary tree?
What are virtual functions?
What do you know about garbage collector?
What do you mean by light weight and heavy weight components?
What do you mean by multithreading?
What is JAR file?
What is JFC?
What is JNI?
What is base class for all swing components?
What is client server computing?
What is constructor and virtual function? Can we call virtual function in constructor?
What is corresponding layout for card in swing?
What is difference abstract class and interface?
What is exact difference in between Unicast and Multicast object? Where will it be used?
What is functionability stubs and skeletons?
What is functionality of stub?
What is interface?
What is layout for toolbar?
What is light weight component?
What is main functionality of Prepared Statement?
What is main functionality of remote reference layer?
What is mapping mechanism used by java to identify IDL language?
What is middleware? What is functionality of web server?
What is polymorphism?
What is protocol used by server and client?
What is role of Web Server?
What is root class for all java classes?
What is serializable interface?
What is serialization?
What is thread?
What is update method called?
What is use of interface?
What is user defined exception?
When will you use interface and abstract class?
Where are card layouts used?
Why do we use oops concepts? What is its advantage?
Why do you canvas?
Why does java not support multiple inheritance?
Why is java not fully objective oriented?
Why is java not pure oops?
Why java is considered as platform independent?
Why there are some null interface in JAVA? What does it mean? Give some null interface in JAVA?
Write down how will you create Binary tree?
Write program for recursive traverse?
what is meant wrapper classes?
Java Programming Interview Questions
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