questions on rail signaling, communication protocol,project details.
Lead Engineer Interview Questions
7,944 lead engineer interview questions shared by candidates
Explain the Chain of Responsibility Pattern and name the two places where this shows up in the Java language.
Given a double array = { [ 9, 8, 6], [ 2, 3, 5], [ 3, 4, 4] } Find the longest run counting up. A run is a consecutive row of integers counting up. So in the example above, the longest run is {[2,2], [1,2],[0,2],[0,1],[0,0]} . You won't be able to solve it in the amount of time that was given, but I think they just want to see how you think.
What is this code doing?
case interview about VCN Handout 1: Virtual Credit Card Number Validation rules Similar to credit card numbers, the digits in virtual card numbers and associated transaction numbers may seem random, but they actually carry meaning. When a Capital One Virtual Credit Card is used, the data must be validated against certain business rules to arrive at a spend decision. These rules are applied to specific digits in the VCN and transaction id. Each transaction made with a VCN is assigned a unique eight (8) digit transaction id.
Write code to send a request to an API and process the response
They asked: "If your data-centric application is facing latency issues, what steps can be taken to perform root cause analysis (RCA) and subsequently fix the latency?"
explain decorator pattern 12-factor How to handle multiple tasks at the same time
Some random LC style question
Heavy on system design so make sure to freshen up!
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