Interview Question and Answers | Search Coding Interview Questions

Interview Questions and Answers - Order By Newest

Q2581. Are arrays Thread Safe ?

Core Java

Ans. Yes

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve arrays concurrency Asked in 1 Companies}

Q2582. What is the time and space complexity for different operations for arrays ?

Core Java

^{This question is still unanswered. Can you please provide an answer.}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve arrays}

Q2583. Difference between Arrays and LinkedList ?

Data Structure

^{This question is still unanswered. Can you please provide an answer.}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve arrays vs linkedlist}

Q2584. What is the ideal situation / case for using heap sort ?

Algorithm

^{This question is still unanswered. Can you please provide an answer.}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve}

Q2585. In an array every element is repeated twice except one, Find that element?

Data Structure

^{This question is still unanswered. Can you please provide an answer.}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve}

Q2586. Given a max-heap represented as an array, Return the n th largest element without modifying the heap.

Algorithm

^{This question is still unanswered. Can you please provide an answer.}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve}

Q2587. Write code to serialize and deserialize an array of strings ?

Core Java

^{This question is still unanswered. Can you please provide an answer.}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve}

Q2588. Find number of recycled pairs in n array.

Data Structure

^{This question is still unanswered. Can you please provide an answer.}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve}

Q2589. Given an array, find the minimum inverting factor.

Design

^{This question is still unanswered. Can you please provide an answer.}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve}

Q2590. Find the length of the non repeated numbers in an array.

Data Structure

^{This question is still unanswered. Can you please provide an answer.}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve}

Q2591. Can we have 3 dimensional arrays in Java ?

Core Java

Ans. Yes

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve arrays}

Q2592. Can we make array volatile in Java ?

Core Java

Ans. Yes, you can make an array (both primitive and reference type array e.g. an int array and String array) volatile in Java but only changes to reference pointing to an array will be visible to all threads, not the whole array

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve arrays volatile}

Q2593. Write a program to insert a value after a specific value in an array.

Data Structure

^{This question is still unanswered. Can you please provide an answer.}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve}

Q2594. How do you implement 'state and behavior' of object in Java program?

Core Java

^{This question is still unanswered. Can you please provide an answer.}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve}

Q2595. How is it possible to use concat on string objects in Java, based on the fact that string is immutable?

Core Java

Ans. It's possible because internally java first reserves the memory for the new concatenated string and then copy that over. So after concatenation, there are 2 strings in memory, the original one and the concatenated one and then the reference is moved to the concatenated string.

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve}

Q2596. Difference between static and dynamic memory allocation ?

Core Java

^{This question is still unanswered. Can you please provide an answer.}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve}

Q2597. Why Arrays are considered as data structures whereas ArrayList isn't ?

Core Java

^{This question is still unanswered. Can you please provide an answer.}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve}

Q2598. Are Arrays a data structure or a collection class ?

Core Java

^{This question is still unanswered. Can you please provide an answer.}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve}

Q2599. How can multi threading lead to a deadlock ?

^{This question is still unanswered. Can you please provide an answer.}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve}

Q2600. Which Java version supports Interface Default methods ?

Core Java

Ans. Java 1.8 or Java 8

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve default methods interface default methods java 8 java 8 features}

Q2601. Tell something about Sleep method.

Core Java

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

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve Thread sleep multithreading Asked in 1 Companies Basic}

Q2602. What is the use of sql dialect ?

Hibernate

Ans. Dialect means "the variant of a language".

Similarly in case of SQL Dialect we specify what dialect of SQL to be generated keeping in mind of underlying database.

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve sql dialect hibernate hibernate Asked in 2 Companies}

Q2603. Which jar files need to be included for using Hibernate ?

Hibernate

Ans. hibernate-orm
hibernate-validator
hibernate-ogm
hibernate-search

or you can download hibernate core with all dependencies.

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve hibernate jar files hibernate Asked in 1 Companies}

Q2604. Diff between Runtime.getRunTime().gc() and System.gc()

Core Java

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

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve Asked in 1 Companies}

Q2605. How to run jar file using command prompt

Core Java

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

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve jar running jar using command line cron entry setting java app as cron Asked in 1 Companies}

Q2606. Can we call a static method using reference currently pointing to null.

Core Java

Ans. yes, we can.
exa: public class Java{
public static void main(String... args) {
JAva j= null;
j.greeting(); // call with null reference
}
public static void greeting() {
System.out.println("Hello World");
}
} // output: Hello World

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve static methods static Asked in 1 Companies}

Q2607. Which memory segment holds the byte code ?

Core Java

Ans. Code Segment

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve Memory Management Code Memory Segment Code Segment Memory Code Segment}

Q2608. Have you ever worked on migrating AWS services and databases from one account to another ?

Amazon Web Services (AWS)

^{This question is still unanswered. Can you please provide an answer.}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve AWS Migration Basic}

Q2609. Have you worked with Data Feeds ?

General

^{This question is still unanswered. Can you please provide an answer.}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve Datafeed}

Q2610. Do you know how can we export Redis data ?

Redis

^{This question is still unanswered. Can you please provide an answer.}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve Amazon Web Services (AWS) Redis Memcache}

Search Interview Questions

Help us and Others Improve. Please let us know the questions asked in any of your previous interview.