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Interview Questions and Answers for 'Flipkart' - 3 question(s) found - Order By Newest

Q1. Explain OOPs

or

Explain OOPs Principles

or

Explain OOPs Concepts

or

Explain OOPs features

or

Tell me something about OOPs

Core Java

Ans. OOPs or Object Oriented Programming is a Programming model which is organized around Objects instead of processes. Instead of a process calling series of processes, this model stresses on communication between objects. Objects that all self sustained, provide security by encapsulating it's members and providing abstracted interfaces over the functions it performs. OOP's facilitate the following features

1. Inheritance for Code Reuse
2. Abstraction for modularity, maintenance and agility
3. Encapsulation for security and protection
4. Polymorphism for flexibility and interfacing

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Related Questions

Can you give a real world example of Encapsulation and Abstraction ?

Which of the following Java feature promotes access protection or Hiding ?

a. Inheritance
b. Encapsulation
c. Abstraction
d. Composition

Define encapsulation in Java ?

Give an example of how Object Oriented Programming Concepts can be implemented.

Which of the OOP's features facilitate dependency injection ?

Which of the OOP's feature - encapsulation or abstraction - is more important ?

Which of the polymorphism type - static or runtime - is more important ?

Which of the OOP's feature is most important ?

Q2. Difference between GET and POST Requests ?

Web Service

Ans. GET is supposed to get information from the server. Client sends the minimal information so that Server can respond with the response body on basis of request. For example - You want to get complete employment record for employee id 123

POST is supposed to send the information for submission. Payload or a Body is usually sent so that it can be persisted on the server. For example - Sending the complete information of an employee ( id, name , dept etc ) to the server for persisting it.

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_{Like Discuss Correct / Improve get vs post web service rest Asked in 11 Companies basic frequent}

Related Questions

What are RESTful Web Services ?

How can we restrict CloudFront access to a particular Geography ?

What are the restrictions for the entity classes ?

Why can't we create an instance of abstract class ? Why is it restricted by compiler ?

In which cases using SOAP is preferred over REST ?

What could be the reasons for restricting inheritance using final class ?

What restrictions are placed on method overriding?

If you have access to a function that returns a random integer from one to five, write another function which returns a random integer from one to seven.

Which markup languages can be used in restful web services ?

Q3. Write a Program to check if 2 strings are Anagrams ?

Core Java

Ans. public void checkIfAnagram(String str1,String str2){
boolean anagram = true;
for(char c:str1.toCharArray()){
if(!str2.contains(String.valueOf(c))){
System.out.println("Strings are Anagrams");
anagram = false;
}

if(anagram == true){
System.out.println("Strings are not Anagrams");
}
}
}

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Related Questions

Difference between == and .equals() ?

Why is String immutable in Java ?

Explain the scenerios to choose between String , StringBuilder and StringBuffer ?

or

What is the difference between String , StringBuilder and StringBuffer ?

What are the difference between composition and inheritance in Java?

Explain OOPs

or

Explain OOPs Principles

or

Explain OOPs Concepts

or

Explain OOPs features

or

Tell me something about OOPs

What is a Lambda Expression ? What's its use ?

What are different ways to create String Object? Explain.

Why Char array is preferred over String for storing password?

Does garbage collection guarantee that a program will not run out of memory?

What is the difference between final, finally and finalize() ?

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