Mphasis Interview Questions, Process, and Tips

Q1. There was a worst interview experience and there is a manager name Anoop prabhakaran from project money, he is such a person with negative attitude and worst behaviour on floor, he will feel like entire pr...read more
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Q1. Write java program to count the number of repeated characters in the string
Ans. 
Java program to count the number of repeated characters in a string
• Create a HashMap to store characters and their counts

• Iterate through the string and update the counts in the HashMap

• Print the characters with counts greater than 1
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Q2. Explain cucumber architecture
Ans. 
Cucumber architecture is a testing framework that supports Behavior Driven Development (BDD) by allowing tests to be written in plain language.
• Cucumber uses Gherkin syntax to define test cases in a human-readable format

• It separates the test logic from the test data using feature files and step definitions

• Cucumber integrates with various programming languages like Java, Ruby, and JavaScript

• It allows collaboration betwee...read more
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Q3. Write feature file for login page
Ans. 
Feature file for login page
• Create a feature file named 'login.feature'

• Define a scenario for successful login

• Define a scenario for unsuccessful login

• Include steps like entering username, password, clicking login button

• Use Given-When-Then format for scenarios
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Q1. Bug life cycle and details
Ans. 
Bug life cycle involves identification, reporting, fixing, retesting, and closing of software bugs.
• Identification of bug by tester

• Reporting bug with detailed information

• Developer fixes the bug

• Retesting to ensure bug is resolved

• Closing bug after verification
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Q2. About data warehouse
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They told to write java program in string and collections

Q1. Different between test cases and test scenario
Ans. 
Test cases are specific conditions or inputs to test a particular functionality, while test scenarios are a sequence of test cases to test a broader functionality.
• Test cases are detailed steps to test a specific functionality, while test scenarios are a collection of test cases to test a broader functionality.

• Test cases are more granular and focus on individual functionalities, while test scenarios are more high-level ...read more
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Q2. Write a program to read from excel
Ans. 
A program to read data from an Excel file using a programming language.
• Use a library or module that supports reading Excel files, such as pandas in Python or Apache POI in Java.

• Open the Excel file and select the specific sheet or range of cells to read data from.

• Iterate through the rows and columns to extract the data and store it in an array of strings.
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Q1. Why you want to switch company
Ans. 
Seeking new challenges and growth opportunities in a more innovative environment.
• Desire for new challenges and learning opportunities

• Seeking a more innovative work environment

• Looking for career growth and advancement

• Interested in working with new technologies or methodologies
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Q1. Concurrent modification exception.how to avoid it
Ans. 
To avoid concurrent modification exception, use synchronized blocks or data structures like ConcurrentHashMap.
• Use synchronized blocks to ensure only one thread can modify the data at a time

• Use data structures like ConcurrentHashMap which are designed to handle concurrent modifications

• Consider using immutable objects to prevent modification conflicts
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Q2. Coding qu using stream api
Ans. 
Using stream API for coding questions
• Use stream() method to convert a collection into a Stream

• Use filter() method to filter elements based on a condition

• Use map() method to transform elements into another form

• Use collect() method to collect the elements into a new collection
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Q1. What is Executer Service?
Ans. 
ExecutorService is an interface in Java that provides a way to manage and control the execution of threads in a multithreaded environment.
• It is part of the java.util.concurrent package.

• It provides methods to submit tasks for execution, manage thread pools, and control the execution of tasks.

• It allows for the execution of tasks asynchronously and provides features like scheduling, cancellation, and monitoring of tasks.

• E...read more
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Q2. What is the use of JPA?
Ans. 
JPA is a Java specification for mapping Java objects to relational databases.
• JPA stands for Java Persistence API

• It provides a way to map Java objects to database tables and vice versa

• JPA simplifies the development of data access layer in Java applications

• It supports object-relational mapping (ORM) and allows developers to work with entities, relationships, and queries in a more object-oriented way
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Q3. Explain about PreparedStatement
Ans. 
PreparedStatement is used in Java to execute parameterized SQL queries to prevent SQL injection attacks.
• PreparedStatement is a subinterface of Statement in Java.

• It is used to execute parameterized SQL queries.

• It helps prevent SQL injection attacks by automatically escaping special characters.

• Example: PreparedStatement pstmt = connection.prepareStatement("SELECT * FROM users WHERE username = ?");
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Q4. Program to find the missing numbers from Array
Ans. 
Program to find missing numbers from Array
• Iterate through the array and store each number in a HashSet

• Then iterate from 1 to the length of the array and check if each number exists in the HashSet

• If a number is not found in the HashSet, it is a missing number
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