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DXC Technology Fullstack Java Developer Interview Questions and Answers
DXC Technology Fullstack Java Developer Interview Experiences
1 interview found
Anonymous
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
Top trending discussions
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I applied via Approached by company and was interviewed in Dec 2021. There were 2 interview rounds.
(2 Questions)
- Q1. Java api calling from angular application and all security and integration related question.
- Q2. Project structure related question
(1 Question)
- Q1. Project structure design patterns
Interview Preparation Tips
- api integration
- angular project structure
How java api allow any host to access it's api
annotation for api designing
(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...
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 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
Selected
I applied via Company Website and was interviewed before May 2022. There were 3 interview rounds.
General aptitude, logical reasoning, english and Pseudocodes
(1 Question)
- Q1. Self introduction Project- details, role Programming- Variables, recursion, Features,Arrays, strings, write prime number program.
Interview Preparation Tips
- C language
- Java
I applied via Naukri.com and was interviewed in Jul 2021. There were 3 interview rounds.
(2 Questions)
- Q1. Question related in resume skills and for company improvement knowledge
- Q2. Personal information
4 senior interviewer in group discus
Interview Preparation Tips
I applied via Approached by Company and was interviewed in Feb 2024. There was 1 interview round.
(1 Question)
- Q1. Java basics with oops concepts
I applied via Naukri.com and was interviewed in Sep 2022. There were 3 interview rounds.
Date -2 march 2023 ,Time 2-5pm , topics-Java
(5 Questions)
- Q1. Tell me something about yourself.
- Q2. What is your Excepted salary?
- Q3. What is your greatest Strengths?
- Q4. Concept of Core-java & Advance-java
- Q5. Basic Interview Questions
Interview Preparation Tips
Apply even if u are not fully qualified
please schedule of my test AS soon as possible.
(1 Question)
- Q1. A senior in my current team was asking questions. He was helping to complete my answers. Be prepared with oops, collection, thread concepts, spring, hibernate basics thoroughly.
Interview Preparation Tips
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