Interview Questions and Answers for 'T' | Search Interview Question

Interview Questions and Answers - Order By Newest

Q2411. Difference between spring and spring boot

Ans. Spring is a Framework where we have to Build the Configurations Manually but Springboot have default configurations that allow faster bootstrapping. Spring Framework requires a number of dependencies to create a web app. Spring Boot, on the other hand, can get an application working with just one dependency.

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Q2412. What are the mutable and immutable data types ?

^{This question was recently asked at 'Technicolor,Velotio'.This question is still unanswered. Can you please provide an answer.}

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Q2413. What are the different types of inheritance ?

Core Java

Ans. Single Level
Multi Level
Hierarchical
Multiple
Hybrid

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Q2414. Is there a way to access a private method from an outside class ?

Core Java

Ans. Through Reflection.

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Q2415. Difference between class and object with example.

Core Java

^{This question was recently asked at 'TalenPace'.This question is still unanswered. Can you please provide an answer.}

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Q2416. What if we use all access specifiers ? Is it encapsulation ?

Core Java

^{This question was recently asked at '3 Embeded Software Technologies'.This question is still unanswered. Can you please provide an answer.}

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Q2417. What is stress testing ?

Testing

Ans. Stress testing is a software testing activity that determines the robustness of software by testing beyond the limits of normal operation.

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Q2418. Find the second largest array element without sorting?

Design

Ans. We initialize two variables first and second to INT_MIN as,
first = second = INT_MIN
then Start traversing the array,
If the current element in array say arr[i] is greater
than first. Then update first and second as,
second = first
first = arr[i]
If the current element is in between first and second,
then update second to store the value of current variable as
second = arr[i]
then Return the value stored in second.

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Q2419. What is application layer ?

Networking

Ans. An application layer is an abstraction layer that specifies the shared communications protocols and interface methods used by hosts in a communications network.

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Q2420. How would you handle clustering on multiple servers?

Server

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Q2421. How do you ftp files to a different server ? Do you use scp or mput etc.

Unix

Ans. I use both mput as well as scp. mput usually with sftp

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Q2422. Can you share your experience with encoding and encryption ?

Encoding

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Q2423. Why Spring boot is preferred over Spring MVC ?

Ans. Spring Boot aims to shorten the code length and provide you with the easiest way to develop a web application. It helps create a stand-alone application with less or almost zero-configuration.

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Q2424. What is Message Queue or MQ ?

Data Structure

Ans. Message queues implement an asynchronous communication pattern between two or more processes/threads whereby the sending and receiving party do not need to interact with the message queue at the same time. Messages placed onto the queue are stored until the recipient retrieves them. Message queues have implicit or explicit limits on the size of data that may be transmitted in a single message and the number of messages that may remain outstanding on the queue.

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Q2425. what annotation do in background in hibernate ?

Hibernate

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Q2426. How many objects are created when we define a bean with two different name in spring?

Spring

Ans. we wont create the objects because of each and every bean will be an object

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Q2427. What is the logic behind the shuffle in Music player ?

or

Explain Music player shuffle algorithm.

Algorithm

^{This question was recently asked at 'ASG Sweden'.This question is still unanswered. Can you please provide an answer.}

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Q2428. Explain unix commands - cat and pwd.

Unix

Ans. by using Cat command we can open and see the file content and as well as redirect the file content to another files

pwd command shows us current working path of the server

cat filename | tail -100

cat file name > filname1

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Q2429. What is Spring Security in Detail ?

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Q2430. Explain Rest architecture

Rest

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Q2431. Can we override behavior of a collection class ? How ?

Core Java

Ans. Yes. We can do that.

1. We can create own own implementation class extending the collection class and then override the behavior method.

2. We can override the behavior at the time of instantiation of class as following

List<MyType> list = new ArrayList<MyType>() {
public boolean add(MyType mt) {
super.add(mt);
Collections.sort(list, comparator);
return true;
}
};

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Q2432. How does hashmap works ?

Core Java

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Q2433. What is the time complexity and space complexity of reversing a Linked List ?

Data Structure

Ans. o(n) for time complexity
o(1) for space complexity

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Q2434. Write an algorithm to shift a linked list n positions.

Data Structure

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Q2435. What are FPGA's ?

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Q2436. What is life cycle of cloud deployment process ?

Cloud Computing

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Q2437. What would you do if your rest services aren't responding fast enough ?

Rest

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Q2438. If you see a terrible code, Would you rewrite it. If yes , Why ?

^{This question was recently asked at 'McLead Software'.This question is still unanswered. Can you please provide an answer.}

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Q2439. If you are given a stack trace , what would you look for ?

^{This question was recently asked at 'Mcleod Software'.This question is still unanswered. Can you please provide an answer.}

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Q2440. What are the ways we can get over XSS or cross site scripting vulnerability ?

Security

Ans. The counter measures of XSS are input validation and implementing a CSP (Content Security Policy).

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