OOPS Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

OOPS Interview Questions

Questions Answers Views Company eMail

IS IT NECESSARY TO INITIALIZE VARIABLE? WHAT IF THE INSTANCE VARIABLE IS DECLARED final ? IS IT NECESSARY TO INITIALIZE THE final VARIABLE AT THE TIME OF THEIR DECLARATION?

2066

INSTANCE FIELDS DECLARED private ARE ACCESSIBLE BY THE METHODS ONLY.CAN WE CHANGE THE private FIELD OF AN OBJECT IN A METHOD OF SOME OTHER OBJECT OF THE SAME CLASS?

2204

who is the father of OPPS

Infosys, TCS,

4 10461

create a class complex having real and imaginary part of a complex no. as a data member. overload the binary operators(+,- and *) to perform the operations on complex no. objects. overload binary operator using friend function.

CTS, Delhi University,

2 5758

what is cast operator?

Microsoft,

2 5915

when to use 'mutable' keyword and when to use 'const cast' in c++

TCS,

2160

why reinterpret cast is considered dangerous?

TCS,

2391

What are callback functions in c++

SoftTech,

1 4374

How to reverse a sentence in c program ex: ram is a good boy answer: boy good a is ram

IBM,

3296

what is namespace? what are the uses of namespace?

1 4108

what is opps?why it is use in programming language?

Wipro,

2 6161

what is difference between String s=new String("vali"); String s="vali"

1 4007

what is Class in oops with example?

HCL,

4 7204

which feature are not hold visual basic of oop?

Ignou,

2192

why in java first invoke public static void main(String args[]) method????Why not public static void method1(String args[])??

1 3268

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Un-Answered Questions { OOPS }

Write a java applet that computes and displays the squares of values between 25 and 1 inclusive and displays them in a TextArea box

2615

Following are the class specifications: class {int a}; class {int b}; Using friend funtion,calculate the max of two objects and display it.

2462

What is property in oops?

1061

Explain the concepts involved in Object Oriented programming.

1227

What is the types of inheritance?

1095

What is the difference between procedural programming and oops?

1129

What is polymorphism and example?

1044

What is the importance of oop?

1096

#include #include #include #include void insert(char *items, int count); int main(void) { char s[255]; printf("Enter a string:"); gets(s); insert(s, strlen(s)); printf("The sorted string is: %s.\n", s); getch(); return 0; } void insert(char *items, int count) { register int a, b; char t; for(a=1; a < count; ++a) { t = items[a]; for(b=a-1; (b >= 0) && (t < items[b]); b--) items[b+1] = items[b]; items[b+1] = t; } } design an algorithm for Insertion Sort

2620

what are the realtime excercises in C++?

2836

What is overriding in oops?

1102

Why is encapsulation used?

990

Why is abstraction used?

1091

What is the use of oops?

1062

What is object and example?

1178

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