OOPS Interview Questions
Questions Answers Views Company eMail

What is OOPS and How it is different from Procedural Programming ?

HP, Infosys, Thyrocare,

23 65726

what is meant by files?

Infosys,

4 8581

is java purely oop Language?

HCL, Infosys, TCS,

49 48015


What is Object and Class? What are the differences between them?

5 9125

What is Inheritance, Multiple Inheritance, Shared and Repeatable Inheritance?

Accenture, L&T,

4 18560

What is Method overloading?

5 8143

Can we call a base class method without creating instance?

6 21174

In which cases you use override and new base?

2 6486

You have one base class virtual function how will call that function from derived class?

4 7691

In which Scenario you will go for Interface or Abstract Class?

InfoAxon Technologies,

1 9724

polymorphism means?

BFL,

6 11650

Describe the difference between a Thread and a Process?

Siebel Systems,

11 29125

Describe what an Interface is and how it?s different from a Class.

Spinsys,

7 20798

What is the difference between XML Web Services using ASMX and .NET Remoting using SOAP?

1 7842


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Un-Answered Questions { OOPS }

What does oop mean in snapchat?

673


is there any choice in opting subjects like 4 out of 7

1725


What type of loop is a for loop?

677


Can bst contain duplicates?

660


Question: Implement a base class Appointment and derived classes Onetime, Daily, Weekly, and Monthly. An appointment has a description (for example, “see the dentist”) and a date and time. Write a virtual function occurs_on(int year, int month, int day) that checks whether the appointment occurs on that date. For example, for a monthly appointment, you must check whether the day of the month matches. Then fill a vector of Appointment* with a mixture of appointments. Have the user enter a date and print out all appointments that happen on that date.

622






What are the important components of cohesion?

547


What is polymorphism in oops?

553


Why is polymorphism needed?

584


Why we use classes in oop?

569


What is object and class in oops?

573


officer say me - i am offered to a smoking , then what can you say

1574


What is methods in oop?

535


What is debug class?what is trace class? What differences are between them? With examples.

1598


Why do we use oop?

595


write string class as your own class in java without using any built-in function

1966