Interview Quesions

Posted by : conceptedu in (Interview Questions)

JAVA-FAQS

Tagged Under : Interview Questions, JAVA, JVM, OOPS

Frequently Asked Questions - Java & Advanced Java

Can a main() method of class be invoked in another class?
What is the difference between java command line arguments and C command line arguments?
What is the difference between == & .equals
What is the difference between abstract class & Interface.
What is singleton class & it’s implementation.
Use of static,final variable
Examples of final class
Difference between Event propagation & Event delegation
Difference between Unicast & Multicast model
What is a java bean
What is synchronized keyword used for.
What are the restrictions of an applet & how to make the applet access the local machines resources.
What is reflect package used for & the methods of it.
What is serialization used for
Can methods be overloaded based on the return types ?
Why do we need a finalze() method when Garbage Collection is there ?
Difference between AWT and Swing compenents ?
Is there any heavy weight component in Swings ?
Can the Swing application if you upload in net, be compatible with your browser?
What should you do get your browser compatible with swing components?
What are the methods in Applet ?
When is init(),start() called ?
When you navigate from one applet to another what are the methods called?
What is the difference between Trusted and Untrusted Applet ?
What is Exception ?
What are the ways you can handle exception ?
When is try,catch block used ?
What is finally method in Exceptions ?
What are the types of access modifiers ?
What is protected and friendly ?
What are the other modifiers ?
Is synchronised modifier ?
What is meant by polymorphism ?
What is inheritance ?
What is method Overloading ? What is this in OOPS ?
What is method Overriding ? What is it in OOPS ?
Does java support multi dimensional arrays ?
Is multiple inheritance used in Java ?
How do you send a message to the browser in JavaScript ?
Does javascript support multidimensional arrays ?
Is there any tool in java that can create reports ?
What is meant by Java ?
What is meant by a class ?
What is meant by a method ?
What are the OOPS concepts in Java ?
What is meant by encapsulation ? Explain with an example
What is meant by inheritance ? Explain with an example
What is meant by polymorphism ? Explain with an example
Is multiple inheritance allowed in Java ? Why ?
What is meant by Java interpreter ?
What is meant by JVM ?
What is a compilation unit ?
What is meant by identifiers ?
What are the different types of modifiers ?
What are the access modifiers in Java ?
What are the primitive data types in Java ?
What is meant by a wrapper class ?
What is meant by static variable and static method ?
What is meant by Garbage collection ?
What is meant by abstract class
What is meant by final class, methods and variables ?
What is meant by interface ?
What is meant by a resource leak ?
What is the difference between interface and abstract class ?
What is the difference between public private, protected and static
What is meant by method overloading ?
What is meant by method overriding ?
What is singleton class ?
What is the difference between an array and a vector ?
What is meant by constructor ?
What is meant by casting ?
What is the difference between final, finally and finalize ?
What is meant by packages ?
What are all the packages ?
Name 2 calsses you have used ?
Name 2 classes that can store arbitrary number of objects ?
What is the difference between java.applet.* and java.applet.Applet ?
What is a default package ?
What is meant by a super class and how can you call a super class ?
What is anonymous class ?
Name interfaces without a method ?
What is the use of an interface ?
What is a serializable interface ?
How to prevent field from serialization ?
What is meant by exception ?
How can you avoid the runtime exception ?
What is the difference between throw and throws ?
What is the use of finally ?
Can multiple catch statements be used in exceptions ?
Is it possible to write a try within a try statement ?
What is the method to find if the object exited or not ?
What is meant by a Thread ?
What is meant by multi-threading ?
What is the 2 way of creating a thread ? Which is the best way and why?
What is the method to find if a thread is active or not ?
What are the thread-to-thread communcation ?
What is the difference between sleep and suspend ?
Can thread become a member of another thread ?
What is meant by deadlock ?
How can you avoid a deadlock ?
What are the three typs of priority ?
What is the use of synchronizations ?
Garbage collector thread belongs to which priority ?
What is meant by time-slicing ?
What is the use of ‘this’ ?
How can you find the length and capacity of a string buffer ?
How to compare two strings ?
What are the interfaces defined by Java.lang ?
What is the purpose of run-time class and system class
What is meant by Stream and Types ?
What is the method used to clear the buffer ?
What is meant by Stream Tokenizer ?
What is serialization and de-serialisation ?
What is meant by Applet ?
How to find the host from which the Applet has originated ?
What is the life cycle of an Applet ?
How do you load an HTML page from an Applet ?
What is meant by Applet Stub Interface ?
What is meant by getCodeBase and getDocumentBase method ?
How can you call an applet from a HTML file
What is meant by Applet Flickering ?
What is the use of parameter tag ?
What is audio clip Interface and what are all the methods in it?
What is the difference between getAppletInfo and getParameterInfo?
How to communicate between applet and an applet ?
What is meant by event handling ?
What are all the listeners in java and explain ?
What is meant by an adapter class ?
What are the types of mouse event listeners ?
What are the types of methods in mouse listeners ?
What is the difference between panel and frame ?
What is the default layout of the panel and frame ?
What is meant by controls and types ?
What is the difference between a scroll bar and a scroll panel.
What is the difference between list and choice ?
How to place a component on Windows ?
What are the different types of Layouts ?
What is meant by CardLayout ?
What is the difference between GridLayout and GridBagLayout
What is the difference between menuitem and checkboxmenu item.
What is meant by vector class, dictionary class , hash table class,and property class ?
Which class has no duplicate elements ?
What is resource bundle ?
What is an enumeration class ?
What is meant by Swing ?
What is the difference between AWT and Swing ?
What is the difference between an applet and a Japplet
What are all the components used in Swing ?
What is meant by tab pans ?
What is the use of JTree ?
How can you add and remove nodes in Jtree.
What is the method to expand and collapse nodes in a Jtree
What is the use of JTable ?
What is meant by JFC ?
What is the class in Swing to change the appearance of the Frame in Runtime.
How to reduce flicking in animation ?
What is meant by Javabeans ?
What is JAR file ?
What is meant by manifest files ?
What is Introspection ?
What are the steps involved to create a bean ?
Say any two properties in Beans ?
What is persistence ?
What is the use of beaninfo ?
What are the interfaces you used in Beans ?
What are the classes you used in Beans ?
What is the diffrence between an Abstract class and Interface
What is user defined exception ?
What do you know about the garbate collector ?
What is the difference between C++ & Java ?
How do you communicate in between Applets & Servlets ?
What is the use of Servlets ?
In an HTML form I have a Button which makes us to open another page in 15 seconds. How will do you that ?
What is the difference between Process and Threads ?
How will you initialize an Applet ?
What is the order of method invocation in an Applet ?
When is update method called ?
How will you communicate between two Applets ?
Have you ever used HashTable and Dictionary ?
What are statements in JAVA ?
What is JAR file ?
What is JNI ?
What is the base class for all swing components ?
What is JFC ?
What is Difference between AWT and Swing ?
Considering notepad/IE or any other thing as process, What will Happen if you start notepad or IE 3 times? Where 3 processes are started or 3 threads are started ?
How does thread synchronization occurs inside a monitor ?
How will you call an Applet using a Java Script function ?
Is there any tag in HTML to upload and download files ?
Why do you Canvas ?
How can you push data from an Applet to Servlet ?
What are the benefits of Swing over AWT ?
Where the CardLayout is used ?
What is the Layout for ToolBar ?
What is the difference between Grid and GridbagLayout ?
How will you add panel to a Frame ?
What is the corresponding Layout for Card in Swing ?
What is light weight component ?
What is bean ? Where it can be used ?
What is difference in between Java Class and Bean ?
What is the mapping mechanism used by Java to identify IDL language ?
Diff between Application and Applet ?
What is serializable Interface ?
What is the difference between CGI and Servlet ?
What is the use of Interface ?
Why Java is not fully objective oriented ?
Why does not support multiple Inheritance ?
What it the root class for all Java classes ?
What is polymorphism ?
Suppose If we have variable ‘ I ‘ in run method, If I can create one or More thread each thread will occupy a separate copy or same variable will be shared ?
What is Constructor and Virtual function? Can we call Virtual
Funciton in a constructor ?
Why we use OOPS concepts? What is its advantage ?
What is the difference in between C++ and Java ? can u explain in detail?
What is the exact difference in between Unicast and Multicast object ? Where we will use ?
How do you sing an Applet ?
In a Container there are 5 components. I want to display the all the components names, how will you do that one ?
Why there are some null interface in java ? What does it mean ?
Give me some null interfaces in JAVA ?
Tell me the latest versions in JAVA related areas ?
What is meant by class loader ? How many types are there? When will we use them ?
What is meant by flickering ?
What is meant by cookies ? Explain ?
Problem faced in your earlier project
How OOPS concept is achieved in Java
Features for using Java
How does Java 2.0 differ from Java 1.0
Public static void main - Explain
What are command line arguments
Explain about the three-tier model
Difference between String & StringBuffer
Wrapper class. Is String a Wrapper Class
What are the restriction for static method Purpose of the file class
Default modifier in Interface
Difference between Interface & Abstract class
Can abstract be declared as Final
Can we declare variables inside a method as Final Variables
What is the package concept and use of package
How can a dead thread be started
Difference between Applet & Application
Life cycle of the Applet
Can Applet have constructors
Differeence between canvas class & graphics class
Explain about Superclass & subclass
What is AppletStub
Explain Stream Tokenizer
What is the difference between two types of threads
Checked & Unchecked exception
Use of throws exception
What is finally in exception handling Vector class
What will happen to the Exception object after exception handling
Two types of multi-tasking
Two ways to create the thread
Synchronization
I/O Filter
Can applet in different page communicate with each other
Why Java is not 100 % pure OOPS ? ( EcomServer )
When we will use an Interface and Abstract class ?
How to communicate 2 threads each other ?
What is the difference between an Abstract class and Interface?
What is user defined exception?
What do you know about the garbage collector?
What is the difference between java and c++?
In an htm form I have a button which makes us to open another page in 15 seconds. How will you do that?
What is the difference between process and threads?
What is update method called?
Have you ever used HashTable and Directory?
What are statements in Java?
What is a JAR file?
What is JNI?
What is the base class for all swing components?
What is JFC?
What is the difference between AWT and Swing?
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?
How does thread synchronization occur in a monitor?
Is there any tag in htm to upload and download files?
Why do you canvas?
How can you know about drivers and database information ?
What is serialization?
Can you load the server object dynamically? If so what are the 3 major steps involved in it?
What is the layout for toolbar?
What is the difference between Grid and Gridbaglayout?
How will you add panel to a frame?
Where are the card layouts used?
What is the corresponding layout for card in swing?
What is light weight component?
Can you run the product development on all operating systems?
What are the benefits if Swing over AWT?
How can two threads be made to communicate with each other?
What are the files generated after using IDL to java compiler?
What is the protocol used by server and client?
What is the functionability stubs and skeletons?
What is the mapping mechanism used by java to identify IDL language?
What is serializable interface?
What is the use of interface?
Why is java not fully objective oriented?
Why does java not support multiple inheritance?
What is the root class for all java classes?
What is polymorphism?
Suppose if we have a variable ‘I’ in run method, if I can create one or more thread each thread will occupy a separate copy or same variable will be shared?
What are virtual functions?
Write down how will you create a Binary tree?
What are the traverses in binary tree?
Write a program for recursive traverse?
What are session variable in servlets?
What is client server computing?
What is constructor and virtual function? Can we call a virtual function in a constructor?
Why do we use oops concepts? What is its advantage?
What is middleware? What is the functionality of web server?
Why is java not 100% pure oops?
When will you use an interface and abstract class?
What is the exact difference in between Unicast and Multicast object? Where will it be used?
What is the main functionality of the remote reference layer?
How do you download stubs from Remote place?
I want to store more than 10 objects in a remote server? Which methodology will follow?
What is the main functionality of Prepared Statement?
What is meant by Static query and Dynamic query?
What are Normalization Rules? Define Normalization?
What is meant by Servelet? What are the parameters of service method?
What is meant by Session? Explain something about HTTP Session Class?
In a container there are 5 components. I want to display all the component names, how will you do that?
Why there are some null interface in JAVA? What does it mean? Give some null interface in JAVA?
Tell some latest versions in JAVA related areas?
What is meant by class loader? How many types are there? When will we use them?
What is meant by flickering?
What is meant by distributed application? Why are we using that in our application?
What is the functionality of the stub?
Explain about version control?
Explain 2-tier and 3-tier architecture?
What is the role of Web Server?
How can we do validation of the fields in a project?
What is meant by cookies? Explain the main features?
Why java is considered as platform independent?
What are the advantages of java over C++?
How java can be connected to a database?
What is thread?
What is difference between Process and Thread?
Does java support multiple inheritance? if not, what is the solution?
What are abstract classes?
What is an interface?
What is the difference abstract class and interface?
What are adapter classes?
what is meant wrapper classes?
What are JVM.JRE, J2EE, JNI?
What are swing components?
What do you mean by light weight and heavy weight components?
What is meant by function overloading and function overriding?
Does java support function overloading, pointers, structures, unions or linked lists?
What do you mean by multithreading?
What are byte codes?
What are streams?
What is user defined exception?
In an htm page form I have one button which makes us to open a new page in 15 seconds. How will you do that?

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Frequently Asked Questions - Visual Basic !
List out controls which does not have events?
How many system controls are available?
___ Property is to compress a image in image control?
To.set the command button for ESC ___ Property has to
be changed?
What is the default property of datacontrol?
__ no of controls in form?
What is the need of tabindex property is label control?
Clear property is available in ____,___ control?
___ is a property to resize a label control according
to your caption?
___ property is used to change to ___ value to access
a identity column’in datacontrols?
To find the current recordposition in data control?
____ property is used to lock a textbox to enter a datas?
____ is the difference between Listindex and Tab index?
Can you create a tabletype of recordset in Jet -
connected ODBC dbengine?
What are the new events in textbox that has been included
in VB6.0?
_____ collection in recordset used to assign a value from
textbox to table columns without making abinding in datacontrol?
What is the difference between Msgbox Statement and MsgboxQ
function?
___,___ arguments will be used to run a executable program
in shell function?
What is the difference between modal and moduless window?
___ method used to move a recordset pointer in nth position
in DAG?
What are 3 main differences between flexgrid control and
dbgrid control?
To populate a single column value which dbcontrols you to use?
PartsofODBC?
WhatisDAO?
Types of LockEdits in DAO? 51 .Types of Recordsets.
Draw Sequence Modal of DAO? Explain.
Difference between Recordset and Querydef?
Default cursor Type and LockEdit type in DAO?
Is it posible to Create Tables Through Querydef?
What is ODBC Direct and Microsoft Jet Database Engine ?
Types of DBCombo boxes
What is RDO?
Types of LockEdits in RDO.
Types of Resultsets.
Explain Default cursor Type and LockEdits type in RDO
What is meant by Establish Connection in RDO? 74.1s it
possible to Access BackEnd procedures? Explain?
What is DDE?
Explain OLE Drag and Drop.
What is the difference between Object and Class?
Does VB Supports OOPS Concepts? Explain..
Explain Get, Let, Set Properties.
What is the use of NEW Keyword? Explain.
Types of Modal windows in VB.
Types of ActiveX Components in VB?
Difference between ActiveX Exe and Dll.
Advantage of ActiveX Dll over Active Exe.
What is ActiveX Dll and ActiveX Exe?
Explain the differences between ActiveX Dll and ActiveX Exe?
How would you access objects created in ActiveX Exe and
ActiveX D1T?
What is ActiveX Document?
What is hyperlink?
What is Internet Explorer and its uses?
How would you view html code in Active Server Pages?
What is ActiveX Control?
How would you attach an ActiveX control in Your Application?
What is the-use of property page Wizard in ActiveX Control?
What are the types of line styles available in Treeview Control?
How would you attach pictures in Treeview Control?
Explain the types of Views in Listview Control.
How would you add column headers in listview control?
How would you activate animation control?
How would you find out the value property in Slider Bar Control?
How would you map properties to controls by using ActiveX Control
Interface Wizard?
How would you Create a Query Builder and Explain its uses
HTML stands for What? Use of HTML ?
DHTML Is used for what?
What is the use of Hyperlink control for DHTML applications?
What are the Internet tools available in VB6.0?
What do you mean by ADO?
WhatisOLEDB?
Through which protocol OLEDB components are interfaced?
What type of databases you can access through AD I Data
Access Object?
What is the use of Connection object?
Recordset object consists what?
Which type of object requires this object?
Is there any Edit method in ADO Data Access method?
What do you mean by provider?
Is it possible to call oracle database through ADO control
or Object?
How can you filter out specific type of file using
file system controls?
How many ways we can access file using VB?
How to get freefile location in memory?
Using which type we can access file line by line?
How can you read content from file?
How can you check Beginning and End of the file?
What is the use of Active Control Property?
What are the types of Error?
What are the tools available for Debuggiu in VB?
What is the use of debug Window?
How many types of API functions are availble in VB?
How to get Cursor position using API?
What are the types of API Types.

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OOPS Interview Questions!

Tagged Under : OOPS, polymorphism

Frequently Asked Questions - Object oriented Concepts

How do you write a program which produces its own source
code as its output?

How can I find the day of the week given the date?

Why doesn’t C have nested functions?

What is the most efficient way to count the number of bits
which are set in a value?

How can I convert integers to binary or hexadecimal?

How can I call a function, given its name as a string?

How do I access command-line arguments?

How can I return multiple values from a function?

How can I invoke another program from within a C program?

How can I access memory located at a certain address?

How can I allocate arrays or structures bigger than 64K?

How can I find out how much memory is available?

How can I read a directory in a C program?

How can I increase the allowable number of simultaneously
open files?

What’s wrong with the call “fopen(”c:\newdir\file.dat”, “r”)”?

What is the output of printf(”%d”)

What will happen if I say delete this

Difference between “C structure” and “C++ structure”.

Diffrence between a “assignment operator” and a “copy
constructor”?

What is the difference between “overloading” and “overridding”?

Explain the need for “Virtual Destructor”.

Can we have “Virtual Constructors”?

What are the different types of polymorphism?

What are Virtual Functions? How to implement virtual functions
in “C”

What are the different types of Storage classes?

What is Namespace?

What are the types of STL containers?.

Difference between “vector” and “array”?

How to write a program such that it will delete itself
after exectution?

Can we generate a C++ source code from the binary file?

What are inline functions?

Talk sometiming about profiling?

How many lines of code you have written for a single program?

What is “strstream” ?

How to write Multithreaded applications using C++?

Explain “passing by value”, “passing by pointer” and “passing
by reference”

Write any small program that will compile in “C” but not
in “C++”?

Have you heard of “mutable” keyword?

What is a “RTTI”?

Is there something that I can do in C and not in C++?

Why preincrement operator is faster than postincrement?

What is the difference between “calloc” and “malloc”?

What will happen if I allocate memory using “new” and
free it using “free” or allocate sing “calloc” and free it
using “delete”?

What is Memory Alignment?

Explain working of printf?

Difference between “printf” and “sprintf”?

What is “map” in STL?

When shall I use Multiple Inheritance?

What are the techniques you use for debugging?

How to reduce a final size of executable?

Give 2 examples of a code optimization?

What is inheritance?

Difference between Composition and Aggregation?

Difference: Sequence Diagrams, Collaboration Diagrams?

Difference: ‘uses’, ‘extends’, ‘includes’

What shall I go for Package Diagram?

What is Polymorphism?

Is class an Object? Is object a class?

Comment: C++ “includes” behavior and java “imports”

What do you mean by “Realization”?

What is a Presistent, Transient Object?

What is the use of Operator Overloading?

Does UML guarantee project success?

Difference: Activity Diagram and Sequence Diagram.

What is association?

How to resolve many to many relationship?

How do you represent static members and abstract classes in
Class Diagram?

What does static variable mean?

What is a pointer?

What is a structure?

What are the differences between structures and arrays?

In header files whether functions are declared or defined?

What are the differences between malloc() and calloc()?

What are macros? what are its advantages and disadvantages?

Difference between pass by reference and pass by value?

What is static identifier?

Where are the auto variables stored?

Where does global, static, local, register variables,free
memory and C Program instructions get stored?

Difference between arrays and linked list?

What are enumerations?

Describe about storage allocation and scope of global,
extern, static, local and register variables?

What are register variables? What are the advantage of using
register variables?

What is the use of typedef?

Can we specify variable field width in a scanf() format
string? If possible how?

Out of fgets() and gets() which function is safe to use and
why?

Difference between strdup and strcpy?

What is recursion?

Differentiate between a for loop and a while loop? What are
it uses?

What are the different storage classes in C?

Write down the equivalent pointer expression for referring
the same element a[i][j][k][l]?

What is difference between Structure and Unions?

What the advantages of using Unions?

What are the advantages of using pointers in a program?

What is the difference between Strings and Arrays?

In a header file whether functions are declared or defined?

What is a far pointer? where we use it?

How will you declare an array of three function pointers
where each function receives two ints and returns a float?

what is a NULL Pointer?Whether it is same as an uninitialized
pointer?

What is a NULL Macro? What is the difference between a NULL
Pointer and a NULL Macro?

What does the error ‘Null Pointer Assignment’ mean and what
causes this error?

What is near,far and huge pointers?How many bytes are occupied
by them?

How would you obtain segment and offset addresses from a far
address of a memory location?

Are the expressions arr and &arr same for an array of integers?

Does mentioning the array name gives the base address in all
the contexts?

Explain one method to process an entire string as one unit?

What is the similarity between a Structure, Union and
enumeration?

Can a Structure contain a Pointer to itself?

How can we check whether the contents of two structure
variables are same or not?

How are Structure passing and returning implemented by the
complier?

How can we read/write Structures from/to data files?

What is the difference between an enumeration and a set
of pre-processor # defines?

what do the ‘c’ and ‘v’ in argc and argv stand for?

Are the variables argc and argv are local to main?

What is the maximum combined length of command line
arguments including the space between adjacent arguments?

If we want that any wildcard characters in the command line
arguments should be appropriately expanded, are we required
to make any special provision? If yes, which?

Does there exist any way to make the command line arguments
available to other functions without passing them as arguments
to the function?

What are bit fields? What is the use of bit fields in a
Structure declaration?

To which numbering system can the binary number
1101100100111100
be easily converted to?

Which bit wise operator is suitable for checking whether a
particular bit is on or off?

Which bit wise operator is suitable for turning off a
particular bit in a number?

Which bit wise operator is suitable for putting on a
particular bit in a number?

Which bit wise operator is suitable for checking whether a
particular bit is on or off?

which one is equivalent to multiplying by 2:Left shifting a
number by 1 or Left shifting an unsigned int or char by 1?

Write a program to compare two strings without using the
strcmp() function.

Write a program to concatenate two strings.

Write a program to interchange 2 variables without using the
third one.

Write programs for String Reversal & Palindrome check

Write a program to find the Factorial of a number

Write a program to generate the Fibinocci Series

Write a program which employs Recursion

Write a program which uses Command Line Arguments

Write a program which uses functions like strcmp(), strcpy()?
etc

What are the advantages of using typedef in a program?

How would you dynamically allocate a one-dimensional and
two-dimensional array of integers?

How can you increase the size of a dynamically allocated array?

How can you increase the size of a statically allocated array?

When reallocating memory if any other pointers point into the
same piece of memory do you have to readjust these other pointers
or do they get readjusted automatically?

Which function should be used to free the memory allocated by
calloc()?

How much maximum can you allocate in a single call to malloc()?

Can you dynamically allocate arrays in expanded memory?

What is object file? How can you access object file?

Which header file should you include if you are to develop a
function which can accept variable number of arguments?

Can you write a function similar to printf()?

How can a called function determine the number of arguments
that have been passed to it?

Can there be at least some solution to determine the number
of arguments passed to a variable argument list function?

How do you declare the following:

An array of three pointers to chars

An array of three char pointers

A pointer to array of three chars

A pointer to function which receives an int pointer and returns
a float pointer

A pointer to a function which receives nothing and returns
nothing

What do the functions atoi(), itoa() and gcvt() do?

Does there exist any other function which can be used to convert
an integer or a float to a string?

How would you use qsort() function to sort an array of structures?

How would you use qsort() function to sort the name stored in
an array of pointers to string?

How would you use bsearch() function to search a name stored in
array of pointers to string?

How would you use the functions sin(), pow(), sqrt()?

How would you use the functions memcpy(), memset(), memmove()?

How would you use the functions fseek(), freed(), fwrite() and
ftell()?

How would you obtain the current time and difference between
two times?

How would you use the functions randomize() and random()?

How would you implement a substr() function that extracts a
sub string from a given string?

What is the difference between the functions rand(), random(),
srand() and randomize()?

What is the difference between the functions memmove() and
memcpy()?

How do you print a string on the printer?

Can you use the function fprintf() to display the output on
the screen?

What is an object?

What is the difference between an object and a class?

What is the difference between class and structure?

What is public, protected, private?

What are virtual functions?

What is friend function?

What is a scope resolution operator?

What do you mean by inheritance?

What is abstraction?

What is polymorphism? Explain with an example.

What is encapsulation?

What do you mean by binding of data and functions?

What is function overloading and operator overloading?

What is virtual class and friend class?

What do you mean by inline function?

What do you mean by public, private, protected and friendly?

When is an object created and what is its lifetime?

What do you mean by multiple inheritance and multilevel
inheritance? Differentiate between them.

Difference between realloc() and free?

What is a template?

What are the main differences between procedure oriented
languages and object oriented languages?

What is R T T I ?

What are generic functions and generic classes?

What is namespace?

What is the difference between pass by reference and pass
by value?

Why do we use virtual functions?

What do you mean by pure virtual functions?

What are virtual classes?

Does c++ support multilevel and multiple inheritance?

What are the advantages of inheritance?

When is a memory allocated to a class?

What is the difference between declaration and definition?

What is virtual constructors/destructors?

In c++ there is only virtual destructors, no constructors.Why?

What is late bound function call and early bound function call?
Differentiate.

How is exception handling carried out in c++?

When will a constructor executed?

What is Dynamic Polymorphism?

Write a macro for swapping integers.

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