Semnox Solutions Technical Support Associate Interview Questions and Answers for Experienced

I am a data analyst with a strong background in statistics and data visualization.

• Graduated with a degree in Statistics

• Proficient in programming languages like Python and R

• Experience in analyzing large datasets and creating data visualizations

• Strong problem-solving skills

JPA (Java Persistence API) is a specification for managing relational data in Java applications using object-relational mapping.

• JPA provides a way to map Java objects to database tables.

• It simplifies database interactions through an object-oriented approach.

• Common implementations include Hibernate, EclipseLink, and OpenJPA.

• Example: Using JPA annotations like @Entity to define a persistent class.

• JPA supports querying wi...read more

This program identifies and returns duplicate elements from a given list.

• Use a set to track seen elements and a list for duplicates.

• Iterate through the list and check if an element is in the set.

• If it is, add it to the duplicates list; otherwise, add it to the set.

• Example: For the list [1, 2, 3, 2, 4, 3], the output should be [2, 3].