Capgemini Engineering Software Engineer Interview Questions and Answers

Find the first non-repeating character in an array.

• Use a hash table to store the frequency of each character.

• Iterate through the array and check the frequency of each character.

• Return the first character with a frequency of 1.

Destructuring is a way to extract values from objects and arrays into distinct variables.

• Destructuring can be used with arrays and objects

• It allows you to extract values from nested objects and arrays

• You can also set default values for variables that may not exist in the object or array

• Example: const {name, age} = {name: 'John', age: 30};

• Example: const [first, second] = ['one', 'two'];

MCQ tests assess knowledge in various technical areas for software engineering roles.

• MCQs cover topics like algorithms, data structures, and programming languages.

• Example: A question might ask about the time complexity of a sorting algorithm.

• They often include questions on software development methodologies, like Agile or Scrum.

• Example: Identify the correct definition of 'sprint' in Agile methodology.

• MCQs can also...read more

I am comfortable working with multiple languages and have experience in doing so.

• I have experience working with languages such as Java, Python, C++, and JavaScript.

• I am able to quickly adapt to new languages and learn them efficiently.

• I understand the importance of proper documentation and commenting in code to ensure readability for others.

• I have worked on projects that required integration of multiple languages,...read more

Comparable is an interface used for natural ordering while Comparator is an interface used for custom ordering.

• Comparable is implemented by the class whose objects need to be sorted

• Comparator is implemented by a separate class to define custom sorting logic

• Comparable uses compareTo() method to compare objects

• Comparator uses compare() method to compare objects

• Example: String class implements Comparable interface fo...read more

I have implemented various software applications on Linux OS.

• Developed a web application using Python Flask framework on Linux server

• Created a custom Linux kernel module for a hardware device driver

• Implemented a distributed system using Apache Kafka on Linux machines

• Optimized performance of a database server running on Linux by tuning kernel parameters