Caterpillar Inc Modelling and Simulation Engineer Interview Questions and Answers

All good to go basic

Basic to intermediate

Q1. C++ basic questions on OOPS principles. Questions on QT/QML.
Add your answer

30min and ask one coding question

30min and ask 2 coding question

Q1. Can you explain the difference between a stack and a queue and provide a real-world example where each would be used.
Ans. 
A stack is a Last In First Out (LIFO) data structure, while a queue is a First In First Out (FIFO) data structure.
• Stack: LIFO - Last In First Out. Example: browser history where the last page visited is the first to be accessed.

• Queue: FIFO - First In First Out. Example: a line at a grocery store where the first person in line is the first to be served.
Answered by AI
Add your answer
Q2. Given an array of integers, write a function to find the two numbers that add up to a specific target. How would you optimize this solution?
Ans. 
Function to find two numbers in array that add up to target. Optimize solution.
• Use a hash map to store each number and its index as you iterate through the array.

• For each number, check if the difference between the target and the number exists in the hash map.

• Return the indices of the two numbers that add up to the target.
Answered by AI
Add your answer

Prevent the duplicate accounts

Easy general questions

Easy array questions

Q1. Mid leetcode question based on role
Add your answer

Q1. General questions
Add your answer

It's is fully based on the logical reasoning

It's fully based on the core subjects of computer science

Q1. Observables vs promises Lifecycle hooks Pipes
Ans. 
Observables are used for handling asynchronous operations in a stream-like manner, promises are for handling a single async operation, and lifecycle hooks are methods that allow you to tap into the lifecycle of a component in Angular.
• Observables are used in Angular for handling asynchronous operations in a stream-like manner, allowing you to work with data over time.

• Promises are used for handling a single asynchronous ...read more
Answered by AI
Add your answer

Q1. Lazy loading Dependency injection
Add your answer