Creative Factor Interview Questions and Answers

Program to check for duplicate elements in an arraylist of strings

• Iterate through the arraylist and use a HashSet to store unique elements

• If an element is already in the HashSet, it is a duplicate

• Return true if a duplicate is found, false otherwise

My strongest programming language is Java.

• Extensive experience with Java programming

• Proficient in object-oriented programming

• Familiar with Java frameworks like Spring and Hibernate

Encapsulation and Inheritance are two important OOPS concepts.

• Encapsulation: Bundling data and methods that operate on the data into a single unit. Example: Class with private data members and public methods.

• Inheritance: Ability of a class to inherit properties and behavior from another class. Example: Subclass inheriting from a superclass.

Use the url to make a request to the API and fetch data.

• Use a library like axios or fetch to make the HTTP request.

• Parse the response data to extract the necessary information.

• Handle any errors that may occur during the request.

Stack is a data structure that follows Last In First Out (LIFO) principle, while an array is a data structure that stores elements in contiguous memory locations.

• Stack is dynamic in size, while array has a fixed size.

• Stack operations include push and pop, while array operations include random access.

• Example: Stack can be implemented using arrays, but arrays cannot be implemented using stacks.