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DXC Technology Fullstack Java Developer Interview Questions and Answers
DXC Technology Fullstack Java Developer Interview Experiences
1 interview found
1)Driffience between Abstract class &
Interface.
-abstract class
represents property
&
behaviour of an object
whereas
interface
represents
behaviour
of an object.
2)Driffience between equal() vs ==operator.
equal() is
an object class method
whereas
equal() of string class
override
the object class equal().
3)can we use pointer's in Java.
Not explicitly but implicitly we can use pointer's in java.
Dynamic m/m refers with help of pointer's but java does not support the pointer's.
when we r creating an object in java refrence varaible of an object holds the identity that is nothing but an implicit pointer that holds an unique identity of an object.
4)How we can print object ID.
-Object ID printed with help of object class which is a service provider class having 9().
5)what is object class.
-it is a super class of all predefined & userdefined class.
6)Write a prog to get name of main thread in java.
-class A
{
psvm(String args [])
{
s.o.pln(Thread.currentThread().getName());
}
}
7)length vs length()
-length
is
data menmber
of proxy class
whereas
length() is a string class().
(2 Questions)
- Q1. Explain JVM in ur own language.
- Ans.
JVM is an abstract machine that executes Java bytecode.
JVM stands for Java Virtual Machine.
It is responsible for interpreting and executing Java bytecode.
JVM provides platform independence to Java programs.
It has its own memory management system and garbage collector.
JVM can be implemented on different operating systems.
Examples of JVM languages include Java, Kotlin, and Scala.
- Q2. Exlplaing Multhreading.
Interview Preparation Tips
for to improve
i) strength,
ii)creativity
&
problem analysis & sloving attitude
with accessing fundamental stratergies of software development.
Skills evaluated in this interview
Interview questions from similar companies
I applied via Recruitment Consulltant and was interviewed in Sep 2024. There were 2 interview rounds.
(3 Questions)
- Q1. Find the second largest element from array
- Ans.
Find the second largest element from array of strings
Sort the array in descending order
Access the element at index 1 to get the second largest element
- Q2. Java basics and advanced programming
- Q3. Failsafe vs fail fast integrators
- Ans.
Failsafe integrators prioritize system stability by handling errors gracefully, while fail fast integrators prioritize quick detection and resolution of errors.
Failsafe integrators focus on ensuring the system continues to function even in the presence of errors.
Fail fast integrators aim to quickly identify and address errors to prevent further issues.
Failsafe integrators often use techniques like retries, circuit brea...
(2 Questions)
- Q1. Saga design patterns
- Q2. Micro services architecture
Skills evaluated in this interview
(3 Questions)
- Q1. JVM related Questions
- Q2. Angular features
- Q3. React Features and how to deploy
- Ans.
React is a JavaScript library for building user interfaces. Deployment can be done using various methods.
React features include virtual DOM, component-based architecture, JSX syntax, and state management.
Deployment can be done using tools like Heroku, Netlify, AWS, or manually by building and serving static files.
Continuous integration and deployment (CI/CD) pipelines can be set up to automate the deployment process.
Se...
Interview Preparation Tips
Skills evaluated in this interview
Fullstack Java Developer Interview Questions & Answers
Virtusa Consulting Services
Anonymous
posted on 5 Sep 2024
Just some basic questions.
Total 6 questions. 4 basic and 2 advanced.
(2 Questions)
- Q1. Write a program for Fibonacci?
- Ans.
Program to generate Fibonacci series using Java
Use a loop to generate Fibonacci series
Start with 0 and 1 as the first two numbers
Add the previous two numbers to get the next number
Repeat the process until the desired number of terms
- Q2. Write a code for inheritance ?
- Ans.
Inheritance in Java allows a class to inherit properties and behaviors from another class.
Create a parent class with common properties and methods
Create a child class that extends the parent class
Child class can access parent class properties and methods
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Apr 2024. There were 3 interview rounds.
(2 Questions)
- Q1. Tell me about internal working of JVM
- Q2. Tell me about SAGA pattern in Microservices
- Ans.
SAGA pattern is a design pattern used in microservices architecture to manage distributed transactions.
SAGA pattern breaks down a long-running transaction into a series of smaller, independent transactions.
Each step in the SAGA pattern is a separate service that communicates with other services through events.
If a step fails, compensating transactions are executed to rollback the changes made by previous steps.
Example:...
(2 Questions)
- Q1. Tell me about your current project structure
- Q2. What is an API , how would you secure an API
- Ans.
API stands for Application Programming Interface. It defines the methods and data formats that applications can use to communicate with each other.
API is a set of rules and protocols that allows different software applications to communicate with each other.
To secure an API, you can use authentication methods like OAuth, API keys, or JWT tokens.
Implementing encryption (HTTPS) and rate limiting can also enhance API secu...
(2 Questions)
- Q1. Why do you want to relocate to Bangalore
- Q2. Tell me about one instance where you faced pressure and how did you overcome ?
Interview Preparation Tips
I applied via LinkedIn and was interviewed in Apr 2024. There were 2 interview rounds.
(2 Questions)
- Q1. It asked basics of Java related to OOPs pillar and DSA questions
- Q2. DSA linkedlist coding summary etc
(2 Questions)
- Q1. How are you now??
- Q2. Are you good now anymore??
Interview Preparation Tips
I applied via Naukri.com and was interviewed in May 2024. There was 1 interview round.
(1 Question)
- Q1. Tech panel did not show up
Interview Preparation Tips
First they scheduled the Technical interview. Sent the invites & then when I joined at the particular time - HR came on the call instead of tech panel & told that interviewer is busy ,got some other interview going on. So, cant have it right now.
This kind of thing happened 3 times where none of tech panel show up.
Very bad. Not expecting from such a big company like Wipro.
Afterwards, they dont even pick call. They just call randomly & setup an interview. And then cancel it. Very unprofessional.
Fullstack Java Developer Interview Questions & Answers
Cognizant
Dhanishtha Agarwal
posted on 21 May 2024
Selected
I applied via campus placement at Ajay Kumar Garg Engineering College, Ghaziabad and was interviewed before May 2023. There were 3 interview rounds.
Core Java
DSA
MySQL
Aptitude
(1 Question)
- Q1. Oops concept one dsa question based on array sql query for filter data LinkedList
(1 Question)
- Q1. Just document veriication
(2 Questions)
- Q1. Agile methodology
- Q2. Decorators in annular
- Ans.
Decorators in Angular are functions that allow you to modify or extend the behavior of classes or methods.
Decorators are used to add metadata to classes or methods in Angular applications.
They are prefixed with @ symbol and are followed by the decorator name.
Common decorators in Angular include @Component, @Directive, @Injectable, @Input, @Output, etc.
Decorators can be used for various purposes such as defining compone...
Fullstack Java Developer Interview Questions & Answers
Virtusa Consulting Services
Anonymous
posted on 12 Jul 2023
Selected
I applied via campus placement at Bannari Amman Institute of Technology, Sathyamangalam and was interviewed before Jul 2022. There were 3 interview rounds.
Probability, Logical Reasoning, etc.
4 Basic coding questions
You can choose any language you want to code from.
Questions like palindrome and string reverse were asked.
(2 Questions)
- Q1. Asked about the project I had done.
- Q2. Comfortable with relocation
Interview Preparation Tips
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