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Infosys Interview Questions, Process, and Tips
Top Infosys Interview Questions and Answers
- Q1. write a code to filter out loans with incomplete status using java 8 features.
- Q2. What is java and what is inheritance and what is oops concepts and what is method
- Q3. What is polymorphism in both overloading and overriding way?
Infosys Interview Experiences
37 interviews found
Anonymous
(2 Questions)
- Q1. String and string builder
- Q2. Exception handling
Selected
I applied via Referral and was interviewed in Mar 2024. There was 1 interview round.
(2 Questions)
- Q1. What is volatile?
- Ans.
Volatile keyword in Java is used to indicate that a variable's value will be modified by different threads.
Volatile keyword ensures visibility of changes made by one thread to other threads.
It prevents compiler optimizations that could reorder code and cause unexpected behavior in a multi-threaded environment.
Volatile variables are not cached in thread's local memory, but always read from main memory.
Example: 'volatile
- Q2. What are functional Interfaces?
- Ans.
Functional interfaces are interfaces with only one abstract method, used for functional programming in Java.
Functional interfaces can have multiple default or static methods, but only one abstract method.
They are used in lambda expressions and method references for functional programming.
Examples include java.lang.Runnable, java.util.Comparator, and java.util.function.Function.
Interview Preparation Tips
- Java
- Spring
Skills evaluated in this interview
UJWAL SUVARNA
I applied via Naukri.com and was interviewed in Jun 2024. There was 1 interview round.
(2 Questions)
- Q1. String questions
- Q2. Collections questions
Interview Preparation Tips
- Java
- Springboot
I applied via Company Website and was interviewed in Feb 2024. There were 2 interview rounds.
(1 Question)
- Q1. Related to Java Basics, Java 8
(1 Question)
- Q1. Situational questioning
Infosys interview questions for designations
I applied via Naukri.com and was interviewed in Feb 2024. There was 1 interview round.
(2 Questions)
- Q1. What is jre explain
- Ans.
JRE stands for Java Runtime Environment, it is a software package that provides the necessary tools to run Java applications.
JRE includes Java Virtual Machine (JVM), class libraries, and other necessary files to run Java applications.
It does not contain development tools like compiler or debugger, which are included in JDK (Java Development Kit).
JRE is required to run Java applications on a computer, as it provides the...
- Q2. What is jdk explain
- Ans.
JDK stands for Java Development Kit, it is a software development kit used for developing Java applications.
JDK includes tools for developing, debugging, and monitoring Java applications.
It contains JRE (Java Runtime Environment) which is necessary for running Java programs.
JDK also includes a compiler, debugger, and other tools needed for Java development.
Examples of JDK versions include JDK 8, JDK 11, and JDK 15.
Interview Preparation Tips
Skills evaluated in this interview
Get interview-ready with Top Infosys Interview Questions
(2 Questions)
- Q1. Hashmap vs hashtable
- Ans.
Hashtable is synchronized and does not allow null keys or values, while HashMap is not synchronized and allows null keys and values.
Hashtable is synchronized, while HashMap is not.
Hashtable does not allow null keys or values, while HashMap allows them.
Hashtable is thread-safe, while HashMap is not.
- Q2. Spring boot relationships
Interview Preparation Tips
Skills evaluated in this interview
Java Developer Jobs at Infosys
(2 Questions)
- Q1. Advantages of Spring Boot
- Ans.
Spring Boot simplifies the development of Java applications by providing a set of tools and conventions.
1. Rapid development: Spring Boot reduces the amount of boilerplate code needed, allowing developers to quickly build and deploy applications.
2. Opinionated defaults: Spring Boot provides sensible defaults for configuration, reducing the need for manual setup.
3. Embedded servers: Spring Boot includes embedded servers...
- Q2. Exlplain Normalisation
Skills evaluated in this interview
JAVA INTERVIEW BUDDY
I applied via Naukri.com and was interviewed in Mar 2024. There was 1 interview round.
(1 Question)
- Q1. Get 2nd highest salary using stream
- Ans.
Use stream to get 2nd highest salary in Java
Sort the salaries in descending order using stream
Skip the first salary to get the second highest salary
Skills evaluated in this interview
I applied via Company Website and was interviewed in Feb 2024. There was 1 interview round.
(1 Question)
- Q1. Write a program to find the missing element from the array.
- Ans.
Program to find missing element from array of strings
Iterate through the array and store elements in a HashSet
Iterate through another array and check if each element is present in the HashSet
Return the element that is not present in the HashSet
Skills evaluated in this interview
What people are saying about Infosys
Infosys Interview FAQs
Some of the top questions asked at the Infosys Java Developer interview for experienced candidates -
The duration of Infosys Java Developer interview process can vary, but typically it takes about less than 2 weeks to complete.
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Infosys Interview Process
based on 19 interviews in last 1 year
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Infosys Java Developer Reviews and Ratings
based on 106 reviews
Rating in categories
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|  ₹3 L/yr - ₹11 L/yr |
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| ₹2.8 L/yr - ₹8 L/yr |
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| ₹2.5 L/yr - ₹5.5 L/yr |
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