Lead Architect
Lead Architect Interview Questions and Answers
Q1. Java program to solve the problem from list of custom java objects having vehicle and manufacturer relationships
Java program to solve vehicle-manufacturer relationship problem using custom objects
Create custom Java objects for vehicle and manufacturer
Establish relationship between them using appropriate data structures
Write a program to solve the problem using the objects and their relationships
Use object-oriented programming principles to ensure code reusability and maintainability
Q2. Collections and java 8 features and use case in detail
Java 8 features like streams and lambdas make collections more efficient and concise.
Java 8 introduced streams which allow for functional-style operations on collections.
Lambdas can be used to define custom operations on collections.
The 'filter' method can be used to select elements from a collection based on a condition.
The 'map' method can be used to transform elements in a collection.
The 'reduce' method can be used to combine elements in a collection into a single value.
Th...read more
Q3. Core java concepts with example
Core Java concepts include OOP, inheritance, polymorphism, encapsulation, and abstraction.
Object-oriented programming (OOP) is a programming paradigm based on the concept of objects.
Inheritance allows a class to inherit properties and methods from another class.
Polymorphism allows objects to take on multiple forms or behaviors.
Encapsulation is the practice of hiding data and methods within a class.
Abstraction is the process of hiding implementation details while showing only ...read more
Q4. What is Kalman filter?
Kalman filter is a recursive algorithm used to estimate the state of a linear dynamic system from a series of noisy measurements.
Kalman filter combines predictions from a dynamic model with measurements to provide accurate estimates of the system's state.
It is widely used in various fields such as navigation, control systems, and signal processing.
Kalman filter is particularly useful when dealing with systems that have uncertain dynamics and noisy measurements.
Q5. Think out of box, Cost saving, etc
To think out of the box for cost-saving, we need to explore innovative solutions and leverage technology.
Explore alternative materials or suppliers
Implement energy-efficient systems
Automate processes to reduce labor costs
Utilize cloud computing to reduce infrastructure costs
Implement telecommuting to reduce office space costs
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