Hexaware Technologies Application Developer Interview Questions and Answers

The first stage of the aptitude test was a written examination. it consisted of multiple-choice questions and problem-solving exercises, the question covered a wide range of topics such as logical reasoning, numerical ability, and verbal comprehension. the time limit was challenging, but I completed most of the questions.

In summary, the coding round was a challenging yet rewarding experience. it tested my programming abilities, problem-solving skills,
and ability to deliver efficient and error-free code within a time constraint. with adequate round preparation, focus, and practice, I navigated the coding round confidently and showcased my technical capabilities.

Q1. Create a regular expression accepting 10-digit numeric characters starting with 1, 2, or 3.
Ans. 
Regular expression for 10-digit numeric characters starting with 1, 2, or 3.
• Use the pattern ^[1-3]\d{9}$ to match the criteria

• The ^ symbol denotes the start of the string

• The [1-3] specifies that the first digit must be 1, 2, or 3

• \d{9} matches exactly 9 numeric digits

• $ indicates the end of the string
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Q2. What do you mean by OOPS?
Ans. 
OOPS stands for Object-Oriented Programming System. It is a programming paradigm based on the concept of objects.
• OOPS focuses on creating objects that contain data in the form of fields (attributes) and code in the form of procedures (methods).

• Encapsulation, inheritance, and polymorphism are key principles of OOPS.

• Encapsulation refers to the bundling of data and methods that operate on the data into a single unit (obje...read more
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Q3. What are the basic SQL skills?
Ans. 
Basic SQL skills include querying databases, manipulating data, and understanding database structures.
• Writing basic SQL queries to retrieve data from databases

• Understanding and using SQL functions and operators

• Creating and modifying database tables and relationships

• Using SQL to filter, sort, and group data

• Understanding basic SQL syntax and commands
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Q4. What is a join in SQL? What are the types of joins?
Ans. 
A join in SQL is used to combine rows from two or more tables based on a related column between them.
• Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

• INNER JOIN returns rows when there is at least one match in both tables.

• LEFT JOIN returns all rows from the left table and the matched rows from the right table.

• RIGHT JOIN returns all rows from the right table and the matched rows from the left tabl...read more
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Q5. Convert Hours into Seconds.
Ans. 
To convert hours into seconds, multiply the number of hours by 3600.
• Multiply the number of hours by 3600 to get the equivalent seconds.

• For example, 2 hours = 2 * 3600 = 7200 seconds.
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Formulas related to ece

Arrays,oops,reverse program

Q1. Self introduction,family background, relocate,any shifts
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Q1. Core Java , collection framework, exception handling
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Q1. J2EE, spring , hibernate, database queries
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Q1. Salary discussion and company related information
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Q1. Subject related questions
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Q1. 2 nd round is Manager round
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Q1. Salary discusson and some what ask about previous organisation.
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Q1. Cover All Core ABAP From Data Dictionary to Enhancement then move to Advance ABAP like O data Services, ABAP Proxy, Web Services, OOPS ABAP. asked Real-time scenario For BTE Development . From Start to e...read more
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Asked about basic questions in genera maths and aptitude.

Q1. Asked few technical questions and past projects
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Q2. Explain about project
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Q3. What language you haveused
Ans. 
I have used a variety of programming languages including Java, Python, C++, and JavaScript.
• Java

• Python

• C++

• JavaScript
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Q4. What difficulties you faced during project
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Q5. How did you overcame with that
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It was a regular aptitude test. That measures candidate problem solving skills.

First interviewer asked Oops concepts.
Palindrome question,
Another was write recursion function.
Some SQL query, DDL , FML.

Q1. Your Expectations from the organisation in the carrier growth
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