S&P Global Senior Java Developer Interview Questions and Answers

Q1. Given the start and end times of the meetings, how can you determine if you are able to attend all of them?
Add your answer

Q1. Uikit explaination
Add your answer
Q2. Model classes with uikit
Ans. 
Model classes in UIKit are used to represent data in an application's user interface.
• Model classes in UIKit typically subclass NSObject and are used to store and manage data for views.

• They can include properties to represent different data fields, methods to manipulate the data, and sometimes protocols for delegation.

• For example, a model class for a user profile in a social media app might have properties like username...read more
Answered by AI
Add your answer

Project related questions

Q1. How is GIL and how python handle multi threading
Ans. 
GIL stands for Global Interpreter Lock in Python, which limits execution of multiple threads at once.
• GIL is a mutex that protects access to Python objects, preventing multiple threads from executing Python bytecodes at once.

• Due to GIL, Python threads are not suitable for CPU-bound tasks but are still useful for I/O-bound tasks.

• To handle multi-threading in Python, one can use multiprocessing module or asynchronous progr...read more
Answered by AI
Add your answer
Q2. Explain How React works under the hood.
Ans. 
React uses a virtual DOM to efficiently update the actual DOM based on changes in state or props.
• React creates a virtual DOM representation of the actual DOM.

• When state or props change, React compares the virtual DOM with the actual DOM to determine the minimal set of changes needed.

• React then updates the actual DOM efficiently to reflect the changes.
Answered by AI
Add your answer

Apt + coding questions, medium difficulty

Q1. Basics qs on oops and known programming language
Add your answer

Q1. In-depth of oops and live coding questions
Add your answer

Q1. Basics qs like y and what
Add your answer

Logical and reasoning, Maths

Basic coding Java & C

Q1. Array and types
Add your answer
Q2. Inheritance & OOPS
Add your answer

Basic coding questions And logical questions

Simple program for mathematics

Q1. Shallow copy and deep copy
Add your answer
Q2. What is Pure component
Ans. 
A Pure component is a component in React that does not have any state or lifecycle methods, resulting in improved performance.
• Pure components are used to prevent unnecessary re-renders in React applications.

• Pure components implement shouldComponentUpdate method with shallow comparison of props and state.

• Examples of Pure components include functional components and class components that extend PureComponent class.
Answered by AI
Add your answer