Iris Software Software Engineer II Interview Questions and Answers

I am a software developer with experience in Java and Python.

• I have a Bachelor's degree in Computer Science.

• I have worked on various projects involving web development and data analysis.

• I am proficient in Java and Python programming languages.

• I am a quick learner and enjoy working in a team environment.

DBMS stands for Database Management System. It is used to manage and organize data in a structured manner.

• DBMS is used in various industries such as healthcare, finance, education, and more.

• It helps in creating, modifying, and deleting data in a database.

• DBMS provides security features to protect data from unauthorized access.

• Examples of DBMS include MySQL, Oracle, Microsoft SQL Server, and PostgreSQL.

An object is a self-contained entity that contains data and behavior.

• Objects are instances of classes

• They have attributes (data) and methods (behavior)

• Objects can interact with each other through method calls

• Example: A car object has attributes like color, make, and model, and methods like start and stop

Sorting is the process of arranging data in a particular order.

• Sorting can be done in ascending or descending order.

• Common sorting algorithms include bubble sort, insertion sort, and quicksort.

• Sorting can be done on various data types, including strings, numbers, and objects.

• Sorting can be done using built-in functions in programming languages such as sort() in JavaScript.

• Sorting can be optimized for performance by cho...read more

C is a procedural programming language while C++ is an object-oriented programming language.

• C++ supports classes and objects while C does not.

• C++ has better support for polymorphism and inheritance than C.

• C++ has a larger standard library than C.

• C++ allows function overloading while C does not.

• C++ supports exception handling while C does not.

I am a software developer with experience in Java and Python. I am passionate about coding and always eager to learn new technologies.

• Experienced in Java and Python

• Passionate about coding

• Eager to learn new technologies

Yes, my family is supportive of my career and relocation decisions.

• My family understands the importance of career growth and is supportive of my decisions.

• We have discussed the possibility of relocation and they are willing to make the necessary adjustments.

• They trust my judgment and believe that this move will be beneficial for my career.

• We have also considered the quality of life in Hyderabad and believe that it will...read more

Hashtable is synchronized while hashmap is not.

• Hashtable is thread-safe while hashmap is not.

• Hashtable does not allow null keys or values while hashmap allows one null key and multiple null values.

• Hashtable is slower than hashmap due to synchronization.

• Hashtable is a legacy class while hashmap is a newer implementation.

Hashmap is not thread-safe while Concurrent Hashmap is thread-safe.

• Hashmap is not suitable for multi-threaded environments as it can lead to race conditions and data inconsistencies.

• Concurrent Hashmap allows multiple threads to access and modify the map concurrently without any data inconsistencies.

• Concurrent Hashmap uses a technique called lock striping to achieve thread-safety.

• Concurrent Hashmap is slower than Hashma...read more